Upgrade jquery-validation.

1 files changed, 1193 insertions, 731 deletions

diff --git a/web/vendor/jquery.validate.js b/web/vendor/jquery.validate.js
index b7ed45b4a..70297bd5c 100644
--- a/web/vendor/jquery.validate.js
+++ b/web/vendor/jquery.validate.js
@@ -1,79 +1,104 @@
-/**
- * jQuery Validation Plugin 1.9.0
- *
- * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
- * http://docs.jquery.com/Plugins/Validation
- *
- * Copyright (c) 2006 - 2011 Jörn Zaefferer
- *
- * Dual licensed under the MIT and GPL licenses:
- *   http://www.opensource.org/licenses/mit-license.php
- *   http://www.gnu.org/licenses/gpl.html
- */
-
-(function($) {
-
-$.extend($.fn, {
-	// http://docs.jquery.com/Plugins/Validation/validate
+/*!

+ * jQuery Validation Plugin v1.19.1

+ *

+ * https://jqueryvalidation.org/

+ *

+ * Copyright (c) 2019 Jörn Zaefferer

+ * Released under the MIT license

+ */

+(function( factory ) {

+	if ( typeof define === "function" && define.amd ) {

+		define( ["jquery"], factory );

+	} else if (typeof module === "object" && module.exports) {

+		module.exports = factory( require( "jquery" ) );

+	} else {

+		factory( jQuery );

+	}

+}(function( $ ) {

+

+$.extend( $.fn, {
+
+	// https://jqueryvalidation.org/validate/
 	validate: function( options ) {
 
-		// if nothing is selected, return nothing; can't chain anyway
-		if (!this.length) {
-			options && options.debug && window.console && console.warn( "nothing selected, can't validate, returning nothing" );
+		// If nothing is selected, return nothing; can't chain anyway
+		if ( !this.length ) {
+			if ( options && options.debug && window.console ) {
+				console.warn( "Nothing selected, can't validate, returning nothing." );
+			}
 			return;
 		}
 
-		// check if a validator for this form was already created
-		var validator = $.data(this[0], 'validator');
+		// Check if a validator for this form was already created
+		var validator = $.data( this[ 0 ], "validator" );
 		if ( validator ) {
 			return validator;
 		}
 
 		// Add novalidate tag if HTML5.
-		this.attr('novalidate', 'novalidate');
+		this.attr( "novalidate", "novalidate" );
 
-		validator = new $.validator( options, this[0] );
-		$.data(this[0], 'validator', validator);
+		validator = new $.validator( options, this[ 0 ] );
+		$.data( this[ 0 ], "validator", validator );
 
 		if ( validator.settings.onsubmit ) {
 
-			var inputsAndButtons = this.find("input, button");
+			this.on( "click.validate", ":submit", function( event ) {
 
-			// allow suppresing validation by adding a cancel class to the submit button
-			inputsAndButtons.filter(".cancel").click(function () {
-				validator.cancelSubmit = true;
-			});
+				// Track the used submit button to properly handle scripted
+				// submits later.
+				validator.submitButton = event.currentTarget;
 
-			// when a submitHandler is used, capture the submitting button
-			if (validator.settings.submitHandler) {
-				inputsAndButtons.filter(":submit").click(function () {
-					validator.submitButton = this;
-				});
-			}
+				// Allow suppressing validation by adding a cancel class to the submit button
+				if ( $( this ).hasClass( "cancel" ) ) {
+					validator.cancelSubmit = true;
+				}
+
+				// Allow suppressing validation by adding the html5 formnovalidate attribute to the submit button
+				if ( $( this ).attr( "formnovalidate" ) !== undefined ) {
+					validator.cancelSubmit = true;
+				}
+			} );
 
-			// validate the form on submit
-			this.submit( function( event ) {
-				if ( validator.settings.debug )
-					// prevent form submit to be able to see console output
+			// Validate the form on submit
+			this.on( "submit.validate", function( event ) {
+				if ( validator.settings.debug ) {
+
+					// Prevent form submit to be able to see console output
 					event.preventDefault();
+				}
 
 				function handle() {
-					if ( validator.settings.submitHandler ) {
-						if (validator.submitButton) {
-							// insert a hidden input as a replacement for the missing submit button
-							var hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);
-						}
-						validator.settings.submitHandler.call( validator, validator.currentForm );
-						if (validator.submitButton) {
-							// and clean up afterwards; thanks to no-block-scope, hidden can be referenced
+					var hidden, result;
+
+					// Insert a hidden input as a replacement for the missing submit button
+					// The hidden input is inserted in two cases:
+					//   - A user defined a `submitHandler`
+					//   - There was a pending request due to `remote` method and `stopRequest()`
+					//     was called to submit the form in case it's valid
+					if ( validator.submitButton && ( validator.settings.submitHandler || validator.formSubmitted ) ) {
+						hidden = $( "<input type='hidden'/>" )
+							.attr( "name", validator.submitButton.name )
+							.val( $( validator.submitButton ).val() )
+							.appendTo( validator.currentForm );
+					}
+
+					if ( validator.settings.submitHandler && !validator.settings.debug ) {
+						result = validator.settings.submitHandler.call( validator, validator.currentForm, event );
+						if ( hidden ) {
+
+							// And clean up afterwards; thanks to no-block-scope, hidden can be referenced
 							hidden.remove();
 						}
+						if ( result !== undefined ) {
+							return result;
+						}
 						return false;
 					}
 					return true;
 				}
 
-				// prevent submit for invalid forms or custom submit handlers
+				// Prevent submit for invalid forms or custom submit handlers
 				if ( validator.cancelSubmit ) {
 					validator.cancelSubmit = false;
 					return handle();
@@ -88,179 +113,251 @@ $.extend($.fn, {
 					validator.focusInvalid();
 					return false;
 				}
-			});
+			} );
 		}
 
 		return validator;
 	},
-	// http://docs.jquery.com/Plugins/Validation/valid
+
+	// https://jqueryvalidation.org/valid/
 	valid: function() {
-        if ( $(this[0]).is('form')) {
-            return this.validate().form();
-        } else {
-            var valid = true;
-            var validator = $(this[0].form).validate();
-            this.each(function() {
-				valid &= validator.element(this);
-            });
-            return valid;
-        }
-    },
-	// attributes: space seperated list of attributes to retrieve and remove
-	removeAttrs: function(attributes) {
-		var result = {},
-			$element = this;
-		$.each(attributes.split(/\s/), function(index, value) {
-			result[value] = $element.attr(value);
-			$element.removeAttr(value);
-		});
-		return result;
+		var valid, validator, errorList;
+
+		if ( $( this[ 0 ] ).is( "form" ) ) {
+			valid = this.validate().form();
+		} else {
+			errorList = [];
+			valid = true;
+			validator = $( this[ 0 ].form ).validate();
+			this.each( function() {
+				valid = validator.element( this ) && valid;
+				if ( !valid ) {
+					errorList = errorList.concat( validator.errorList );
+				}
+			} );
+			validator.errorList = errorList;
+		}
+		return valid;
 	},
-	// http://docs.jquery.com/Plugins/Validation/rules
-	rules: function(command, argument) {
-		var element = this[0];
-
-		if (command) {
-			var settings = $.data(element.form, 'validator').settings;
-			var staticRules = settings.rules;
-			var existingRules = $.validator.staticRules(element);
-			switch(command) {
+
+	// https://jqueryvalidation.org/rules/
+	rules: function( command, argument ) {
+		var element = this[ 0 ],
+			isContentEditable = typeof this.attr( "contenteditable" ) !== "undefined" && this.attr( "contenteditable" ) !== "false",
+			settings, staticRules, existingRules, data, param, filtered;
+
+		// If nothing is selected, return empty object; can't chain anyway
+		if ( element == null ) {
+			return;
+		}
+
+		if ( !element.form && isContentEditable ) {
+			element.form = this.closest( "form" )[ 0 ];
+			element.name = this.attr( "name" );
+		}
+
+		if ( element.form == null ) {
+			return;
+		}
+
+		if ( command ) {
+			settings = $.data( element.form, "validator" ).settings;
+			staticRules = settings.rules;
+			existingRules = $.validator.staticRules( element );
+			switch ( command ) {
 			case "add":
-				$.extend(existingRules, $.validator.normalizeRule(argument));
-				staticRules[element.name] = existingRules;
-				if (argument.messages)
-					settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );
+				$.extend( existingRules, $.validator.normalizeRule( argument ) );
+
+				// Remove messages from rules, but allow them to be set separately
+				delete existingRules.messages;
+				staticRules[ element.name ] = existingRules;
+				if ( argument.messages ) {
+					settings.messages[ element.name ] = $.extend( settings.messages[ element.name ], argument.messages );
+				}
 				break;
 			case "remove":
-				if (!argument) {
-					delete staticRules[element.name];
+				if ( !argument ) {
+					delete staticRules[ element.name ];
 					return existingRules;
 				}
-				var filtered = {};
-				$.each(argument.split(/\s/), function(index, method) {
-					filtered[method] = existingRules[method];
-					delete existingRules[method];
-				});
+				filtered = {};
+				$.each( argument.split( /\s/ ), function( index, method ) {
+					filtered[ method ] = existingRules[ method ];
+					delete existingRules[ method ];
+				} );
 				return filtered;
 			}
 		}
 
-		var data = $.validator.normalizeRules(
+		data = $.validator.normalizeRules(
 		$.extend(
 			{},
-			$.validator.metadataRules(element),
-			$.validator.classRules(element),
-			$.validator.attributeRules(element),
-			$.validator.staticRules(element)
-		), element);
-
-		// make sure required is at front
-		if (data.required) {
-			var param = data.required;
+			$.validator.classRules( element ),
+			$.validator.attributeRules( element ),
+			$.validator.dataRules( element ),
+			$.validator.staticRules( element )
+		), element );
+
+		// Make sure required is at front
+		if ( data.required ) {
+			param = data.required;
 			delete data.required;
-			data = $.extend({required: param}, data);
+			data = $.extend( { required: param }, data );
+		}
+
+		// Make sure remote is at back
+		if ( data.remote ) {
+			param = data.remote;
+			delete data.remote;
+			data = $.extend( data, { remote: param } );
 		}
 
 		return data;
 	}
-});
+} );
 
 // Custom selectors
-$.extend($.expr[":"], {
-	// http://docs.jquery.com/Plugins/Validation/blank
-	blank: function(a) {return !$.trim("" + a.value);},
-	// http://docs.jquery.com/Plugins/Validation/filled
-	filled: function(a) {return !!$.trim("" + a.value);},
-	// http://docs.jquery.com/Plugins/Validation/unchecked
-	unchecked: function(a) {return !a.checked;}
-});
-
-// constructor for validator
+$.extend( $.expr.pseudos || $.expr[ ":" ], {		// '|| $.expr[ ":" ]' here enables backwards compatibility to jQuery 1.7. Can be removed when dropping jQ 1.7.x support
+
+	// https://jqueryvalidation.org/blank-selector/
+	blank: function( a ) {
+		return !$.trim( "" + $( a ).val() );
+	},
+
+	// https://jqueryvalidation.org/filled-selector/
+	filled: function( a ) {
+		var val = $( a ).val();
+		return val !== null && !!$.trim( "" + val );
+	},
+
+	// https://jqueryvalidation.org/unchecked-selector/
+	unchecked: function( a ) {
+		return !$( a ).prop( "checked" );
+	}
+} );
+
+// Constructor for validator
 $.validator = function( options, form ) {
 	this.settings = $.extend( true, {}, $.validator.defaults, options );
 	this.currentForm = form;
 	this.init();
 };
 
-$.validator.format = function(source, params) {
-	if ( arguments.length == 1 )
+// https://jqueryvalidation.org/jQuery.validator.format/
+$.validator.format = function( source, params ) {
+	if ( arguments.length === 1 ) {
 		return function() {
-			var args = $.makeArray(arguments);
-			args.unshift(source);
+			var args = $.makeArray( arguments );
+			args.unshift( source );
 			return $.validator.format.apply( this, args );
 		};
-	if ( arguments.length > 2 && params.constructor != Array  ) {
-		params = $.makeArray(arguments).slice(1);
 	}
-	if ( params.constructor != Array ) {
+	if ( params === undefined ) {
+		return source;
+	}
+	if ( arguments.length > 2 && params.constructor !== Array  ) {
+		params = $.makeArray( arguments ).slice( 1 );
+	}
+	if ( params.constructor !== Array ) {
 		params = [ params ];
 	}
-	$.each(params, function(i, n) {
-		source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);
-	});
+	$.each( params, function( i, n ) {
+		source = source.replace( new RegExp( "\\{" + i + "\\}", "g" ), function() {
+			return n;
+		} );
+	} );
 	return source;
 };
 
-$.extend($.validator, {
+$.extend( $.validator, {
 
 	defaults: {
 		messages: {},
 		groups: {},
 		rules: {},
 		errorClass: "error",
+		pendingClass: "pending",
 		validClass: "valid",
 		errorElement: "label",
+		focusCleanup: false,
 		focusInvalid: true,
 		errorContainer: $( [] ),
 		errorLabelContainer: $( [] ),
 		onsubmit: true,
 		ignore: ":hidden",
 		ignoreTitle: false,
-		onfocusin: function(element, event) {
+		onfocusin: function( element ) {
 			this.lastActive = element;
 
-			// hide error label and remove error class on focus if enabled
-			if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
-				this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
-				this.addWrapper(this.errorsFor(element)).hide();
+			// Hide error label and remove error class on focus if enabled
+			if ( this.settings.focusCleanup ) {
+				if ( this.settings.unhighlight ) {
+					this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
+				}
+				this.hideThese( this.errorsFor( element ) );
 			}
 		},
-		onfocusout: function(element, event) {
-			if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
-				this.element(element);
+		onfocusout: function( element ) {
+			if ( !this.checkable( element ) && ( element.name in this.submitted || !this.optional( element ) ) ) {
+				this.element( element );
 			}
 		},
-		onkeyup: function(element, event) {
-			if ( element.name in this.submitted || element == this.lastElement ) {
-				this.element(element);
+		onkeyup: function( element, event ) {
+
+			// Avoid revalidate the field when pressing one of the following keys
+			// Shift       => 16
+			// Ctrl        => 17
+			// Alt         => 18
+			// Caps lock   => 20
+			// End         => 35
+			// Home        => 36
+			// Left arrow  => 37
+			// Up arrow    => 38
+			// Right arrow => 39
+			// Down arrow  => 40
+			// Insert      => 45
+			// Num lock    => 144
+			// AltGr key   => 225
+			var excludedKeys = [
+				16, 17, 18, 20, 35, 36, 37,
+				38, 39, 40, 45, 144, 225
+			];
+
+			if ( event.which === 9 && this.elementValue( element ) === "" || $.inArray( event.keyCode, excludedKeys ) !== -1 ) {
+				return;
+			} else if ( element.name in this.submitted || element.name in this.invalid ) {
+				this.element( element );
 			}
 		},
-		onclick: function(element, event) {
-			// click on selects, radiobuttons and checkboxes
-			if ( element.name in this.submitted )
-				this.element(element);
-			// or option elements, check parent select in that case
-			else if (element.parentNode.name in this.submitted)
-				this.element(element.parentNode);
+		onclick: function( element ) {
+
+			// Click on selects, radiobuttons and checkboxes
+			if ( element.name in this.submitted ) {
+				this.element( element );
+
+			// Or option elements, check parent select in that case
+			} else if ( element.parentNode.name in this.submitted ) {
+				this.element( element.parentNode );
+			}
 		},
-		highlight: function(element, errorClass, validClass) {
-			if (element.type === 'radio') {
-				this.findByName(element.name).addClass(errorClass).removeClass(validClass);
+		highlight: function( element, errorClass, validClass ) {
+			if ( element.type === "radio" ) {
+				this.findByName( element.name ).addClass( errorClass ).removeClass( validClass );
 			} else {
-				$(element).addClass(errorClass).removeClass(validClass);
+				$( element ).addClass( errorClass ).removeClass( validClass );
 			}
 		},
-		unhighlight: function(element, errorClass, validClass) {
-			if (element.type === 'radio') {
-				this.findByName(element.name).removeClass(errorClass).addClass(validClass);
+		unhighlight: function( element, errorClass, validClass ) {
+			if ( element.type === "radio" ) {
+				this.findByName( element.name ).removeClass( errorClass ).addClass( validClass );
 			} else {
-				$(element).removeClass(errorClass).addClass(validClass);
+				$( element ).removeClass( errorClass ).addClass( validClass );
 			}
 		}
 	},
 
-	// http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
-	setDefaults: function(settings) {
+	// https://jqueryvalidation.org/jQuery.validator.setDefaults/
+	setDefaults: function( settings ) {
 		$.extend( $.validator.defaults, settings );
 	},
 
@@ -273,15 +370,14 @@ $.extend($.validator, {
 		dateISO: "Please enter a valid date (ISO).",
 		number: "Please enter a valid number.",
 		digits: "Please enter only digits.",
-		creditcard: "Please enter a valid credit card number.",
 		equalTo: "Please enter the same value again.",
-		accept: "Please enter a value with a valid extension.",
-		maxlength: $.validator.format("Please enter no more than {0} characters."),
-		minlength: $.validator.format("Please enter at least {0} characters."),
-		rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
-		range: $.validator.format("Please enter a value between {0} and {1}."),
-		max: $.validator.format("Please enter a value less than or equal to {0}."),
-		min: $.validator.format("Please enter a value greater than or equal to {0}.")
+		maxlength: $.validator.format( "Please enter no more than {0} characters." ),
+		minlength: $.validator.format( "Please enter at least {0} characters." ),
+		rangelength: $.validator.format( "Please enter a value between {0} and {1} characters long." ),
+		range: $.validator.format( "Please enter a value between {0} and {1}." ),
+		max: $.validator.format( "Please enter a value less than or equal to {0}." ),
+		min: $.validator.format( "Please enter a value greater than or equal to {0}." ),
+		step: $.validator.format( "Please enter a multiple of {0}." )
 	},
 
 	autoCreateRanges: false,
@@ -289,9 +385,9 @@ $.extend($.validator, {
 	prototype: {
 
 		init: function() {
-			this.labelContainer = $(this.settings.errorLabelContainer);
-			this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
-			this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
+			this.labelContainer = $( this.settings.errorLabelContainer );
+			this.errorContext = this.labelContainer.length && this.labelContainer || $( this.currentForm );
+			this.containers = $( this.settings.errorContainer ).add( this.settings.errorLabelContainer );
 			this.submitted = {};
 			this.valueCache = {};
 			this.pendingRequest = 0;
@@ -299,124 +395,220 @@ $.extend($.validator, {
 			this.invalid = {};
 			this.reset();
 
-			var groups = (this.groups = {});
-			$.each(this.settings.groups, function(key, value) {
-				$.each(value.split(/\s/), function(index, name) {
-					groups[name] = key;
-				});
-			});
-			var rules = this.settings.rules;
-			$.each(rules, function(key, value) {
-				rules[key] = $.validator.normalizeRule(value);
-			});
-
-			function delegate(event) {
-				var validator = $.data(this[0].form, "validator"),
-					eventType = "on" + event.type.replace(/^validate/, "");
-				validator.settings[eventType] && validator.settings[eventType].call(validator, this[0], event);
-			}
-			$(this.currentForm)
-			       .validateDelegate("[type='text'], [type='password'], [type='file'], select, textarea, " +
-						"[type='number'], [type='search'] ,[type='tel'], [type='url'], " +
-						"[type='email'], [type='datetime'], [type='date'], [type='month'], " +
-						"[type='week'], [type='time'], [type='datetime-local'], " +
-						"[type='range'], [type='color'] ",
-						"focusin focusout keyup", delegate)
-				.validateDelegate("[type='radio'], [type='checkbox'], select, option", "click", delegate);
-
-			if (this.settings.invalidHandler)
-				$(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);
-		},
-
-		// http://docs.jquery.com/Plugins/Validation/Validator/form
+			var currentForm = this.currentForm,
+				groups = ( this.groups = {} ),
+				rules;
+			$.each( this.settings.groups, function( key, value ) {
+				if ( typeof value === "string" ) {
+					value = value.split( /\s/ );
+				}
+				$.each( value, function( index, name ) {
+					groups[ name ] = key;
+				} );
+			} );
+			rules = this.settings.rules;
+			$.each( rules, function( key, value ) {
+				rules[ key ] = $.validator.normalizeRule( value );
+			} );
+
+			function delegate( event ) {
+				var isContentEditable = typeof $( this ).attr( "contenteditable" ) !== "undefined" && $( this ).attr( "contenteditable" ) !== "false";
+
+				// Set form expando on contenteditable
+				if ( !this.form && isContentEditable ) {
+					this.form = $( this ).closest( "form" )[ 0 ];
+					this.name = $( this ).attr( "name" );
+				}
+
+				// Ignore the element if it belongs to another form. This will happen mainly
+				// when setting the `form` attribute of an input to the id of another form.
+				if ( currentForm !== this.form ) {
+					return;
+				}
+
+				var validator = $.data( this.form, "validator" ),
+					eventType = "on" + event.type.replace( /^validate/, "" ),
+					settings = validator.settings;
+				if ( settings[ eventType ] && !$( this ).is( settings.ignore ) ) {
+					settings[ eventType ].call( validator, this, event );
+				}
+			}
+
+			$( this.currentForm )
+				.on( "focusin.validate focusout.validate keyup.validate",
+					":text, [type='password'], [type='file'], select, textarea, [type='number'], [type='search'], " +
+					"[type='tel'], [type='url'], [type='email'], [type='datetime'], [type='date'], [type='month'], " +
+					"[type='week'], [type='time'], [type='datetime-local'], [type='range'], [type='color'], " +
+					"[type='radio'], [type='checkbox'], [contenteditable], [type='button']", delegate )
+
+				// Support: Chrome, oldIE
+				// "select" is provided as event.target when clicking a option
+				.on( "click.validate", "select, option, [type='radio'], [type='checkbox']", delegate );
+
+			if ( this.settings.invalidHandler ) {
+				$( this.currentForm ).on( "invalid-form.validate", this.settings.invalidHandler );
+			}
+		},
+
+		// https://jqueryvalidation.org/Validator.form/
 		form: function() {
 			this.checkForm();
-			$.extend(this.submitted, this.errorMap);
-			this.invalid = $.extend({}, this.errorMap);
-			if (!this.valid())
-				$(this.currentForm).triggerHandler("invalid-form", [this]);
+			$.extend( this.submitted, this.errorMap );
+			this.invalid = $.extend( {}, this.errorMap );
+			if ( !this.valid() ) {
+				$( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
+			}
 			this.showErrors();
 			return this.valid();
 		},
 
 		checkForm: function() {
 			this.prepareForm();
-			for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
-				this.check( elements[i] );
+			for ( var i = 0, elements = ( this.currentElements = this.elements() ); elements[ i ]; i++ ) {
+				this.check( elements[ i ] );
 			}
 			return this.valid();
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Validator/element
+		// https://jqueryvalidation.org/Validator.element/
 		element: function( element ) {
-			element = this.validationTargetFor( this.clean( element ) );
-			this.lastElement = element;
-			this.prepareElement( element );
-			this.currentElements = $(element);
-			var result = this.check( element );
-			if ( result ) {
-				delete this.invalid[element.name];
+			var cleanElement = this.clean( element ),
+				checkElement = this.validationTargetFor( cleanElement ),
+				v = this,
+				result = true,
+				rs, group;
+
+			if ( checkElement === undefined ) {
+				delete this.invalid[ cleanElement.name ];
 			} else {
-				this.invalid[element.name] = true;
-			}
-			if ( !this.numberOfInvalids() ) {
-				// Hide error containers on last error
-				this.toHide = this.toHide.add( this.containers );
+				this.prepareElement( checkElement );
+				this.currentElements = $( checkElement );
+
+				// If this element is grouped, then validate all group elements already
+				// containing a value
+				group = this.groups[ checkElement.name ];
+				if ( group ) {
+					$.each( this.groups, function( name, testgroup ) {
+						if ( testgroup === group && name !== checkElement.name ) {
+							cleanElement = v.validationTargetFor( v.clean( v.findByName( name ) ) );
+							if ( cleanElement && cleanElement.name in v.invalid ) {
+								v.currentElements.push( cleanElement );
+								result = v.check( cleanElement ) && result;
+							}
+						}
+					} );
+				}
+
+				rs = this.check( checkElement ) !== false;
+				result = result && rs;
+				if ( rs ) {
+					this.invalid[ checkElement.name ] = false;
+				} else {
+					this.invalid[ checkElement.name ] = true;
+				}
+
+				if ( !this.numberOfInvalids() ) {
+
+					// Hide error containers on last error
+					this.toHide = this.toHide.add( this.containers );
+				}
+				this.showErrors();
+
+				// Add aria-invalid status for screen readers
+				$( element ).attr( "aria-invalid", !rs );
 			}
-			this.showErrors();
+
 			return result;
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Validator/showErrors
-		showErrors: function(errors) {
-			if(errors) {
-				// add items to error list and map
+		// https://jqueryvalidation.org/Validator.showErrors/
+		showErrors: function( errors ) {
+			if ( errors ) {
+				var validator = this;
+
+				// Add items to error list and map
 				$.extend( this.errorMap, errors );
-				this.errorList = [];
-				for ( var name in errors ) {
-					this.errorList.push({
-						message: errors[name],
-						element: this.findByName(name)[0]
-					});
-				}
-				// remove items from success list
-				this.successList = $.grep( this.successList, function(element) {
-					return !(element.name in errors);
-				});
+				this.errorList = $.map( this.errorMap, function( message, name ) {
+					return {
+						message: message,
+						element: validator.findByName( name )[ 0 ]
+					};
+				} );
+
+				// Remove items from success list
+				this.successList = $.grep( this.successList, function( element ) {
+					return !( element.name in errors );
+				} );
+			}
+			if ( this.settings.showErrors ) {
+				this.settings.showErrors.call( this, this.errorMap, this.errorList );
+			} else {
+				this.defaultShowErrors();
 			}
-			this.settings.showErrors
-				? this.settings.showErrors.call( this, this.errorMap, this.errorList )
-				: this.defaultShowErrors();
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Validator/resetForm
+		// https://jqueryvalidation.org/Validator.resetForm/
 		resetForm: function() {
-			if ( $.fn.resetForm )
+			if ( $.fn.resetForm ) {
 				$( this.currentForm ).resetForm();
+			}
+			this.invalid = {};
 			this.submitted = {};
-			this.lastElement = null;
 			this.prepareForm();
 			this.hideErrors();
-			this.elements().removeClass( this.settings.errorClass );
+			var elements = this.elements()
+				.removeData( "previousValue" )
+				.removeAttr( "aria-invalid" );
+
+			this.resetElements( elements );
+		},
+
+		resetElements: function( elements ) {
+			var i;
+
+			if ( this.settings.unhighlight ) {
+				for ( i = 0; elements[ i ]; i++ ) {
+					this.settings.unhighlight.call( this, elements[ i ],
+						this.settings.errorClass, "" );
+					this.findByName( elements[ i ].name ).removeClass( this.settings.validClass );
+				}
+			} else {
+				elements
+					.removeClass( this.settings.errorClass )
+					.removeClass( this.settings.validClass );
+			}
 		},
 
 		numberOfInvalids: function() {
-			return this.objectLength(this.invalid);
+			return this.objectLength( this.invalid );
 		},
 
 		objectLength: function( obj ) {
-			var count = 0;
-			for ( var i in obj )
-				count++;
+			/* jshint unused: false */
+			var count = 0,
+				i;
+			for ( i in obj ) {
+
+				// This check allows counting elements with empty error
+				// message as invalid elements
+				if ( obj[ i ] !== undefined && obj[ i ] !== null && obj[ i ] !== false ) {
+					count++;
+				}
+			}
 			return count;
 		},
 
 		hideErrors: function() {
-			this.addWrapper( this.toHide ).hide();
+			this.hideThese( this.toHide );
+		},
+
+		hideThese: function( errors ) {
+			errors.not( this.containers ).text( "" );
+			this.addWrapper( errors ).hide();
 		},
 
 		valid: function() {
-			return this.size() == 0;
+			return this.size() === 0;
 		},
 
 		size: function() {
@@ -424,62 +616,86 @@ $.extend($.validator, {
 		},
 
 		focusInvalid: function() {
-			if( this.settings.focusInvalid ) {
+			if ( this.settings.focusInvalid ) {
 				try {
-					$(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])
-					.filter(":visible")
-					.focus()
-					// manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
-					.trigger("focusin");
-				} catch(e) {
-					// ignore IE throwing errors when focusing hidden elements
+					$( this.findLastActive() || this.errorList.length && this.errorList[ 0 ].element || [] )
+					.filter( ":visible" )
+					.trigger( "focus" )
+
+					// Manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
+					.trigger( "focusin" );
+				} catch ( e ) {
+
+					// Ignore IE throwing errors when focusing hidden elements
 				}
 			}
 		},
 
 		findLastActive: function() {
 			var lastActive = this.lastActive;
-			return lastActive && $.grep(this.errorList, function(n) {
-				return n.element.name == lastActive.name;
-			}).length == 1 && lastActive;
+			return lastActive && $.grep( this.errorList, function( n ) {
+				return n.element.name === lastActive.name;
+			} ).length === 1 && lastActive;
 		},
 
 		elements: function() {
 			var validator = this,
 				rulesCache = {};
 
-			// select all valid inputs inside the form (no submit or reset buttons)
-			return $(this.currentForm)
-			.find("input, select, textarea")
-			.not(":submit, :reset, :image, [disabled]")
+			// Select all valid inputs inside the form (no submit or reset buttons)
+			return $( this.currentForm )
+			.find( "input, select, textarea, [contenteditable]" )
+			.not( ":submit, :reset, :image, :disabled" )
 			.not( this.settings.ignore )
-			.filter(function() {
-				!this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);
+			.filter( function() {
+				var name = this.name || $( this ).attr( "name" ); // For contenteditable
+				var isContentEditable = typeof $( this ).attr( "contenteditable" ) !== "undefined" && $( this ).attr( "contenteditable" ) !== "false";
 
-				// select only the first element for each name, and only those with rules specified
-				if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
+				if ( !name && validator.settings.debug && window.console ) {
+					console.error( "%o has no name assigned", this );
+				}
+
+				// Set form expando on contenteditable
+				if ( isContentEditable ) {
+					this.form = $( this ).closest( "form" )[ 0 ];
+					this.name = name;
+				}
+
+				// Ignore elements that belong to other/nested forms
+				if ( this.form !== validator.currentForm ) {
 					return false;
+				}
 
-				rulesCache[this.name] = true;
+				// Select only the first element for each name, and only those with rules specified
+				if ( name in rulesCache || !validator.objectLength( $( this ).rules() ) ) {
+					return false;
+				}
+
+				rulesCache[ name ] = true;
 				return true;
-			});
+			} );
 		},
 
 		clean: function( selector ) {
-			return $( selector )[0];
+			return $( selector )[ 0 ];
 		},
 
 		errors: function() {
-			return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );
+			var errorClass = this.settings.errorClass.split( " " ).join( "." );
+			return $( this.settings.errorElement + "." + errorClass, this.errorContext );
 		},
 
-		reset: function() {
+		resetInternals: function() {
 			this.successList = [];
 			this.errorList = [];
 			this.errorMap = {};
-			this.toShow = $([]);
-			this.toHide = $([]);
-			this.currentElements = $([]);
+			this.toShow = $( [] );
+			this.toHide = $( [] );
+		},
+
+		reset: function() {
+			this.resetInternals();
+			this.currentElements = $( [] );
 		},
 
 		prepareForm: function() {
@@ -489,130 +705,225 @@ $.extend($.validator, {
 
 		prepareElement: function( element ) {
 			this.reset();
-			this.toHide = this.errorsFor(element);
+			this.toHide = this.errorsFor( element );
+		},
+
+		elementValue: function( element ) {
+			var $element = $( element ),
+				type = element.type,
+				isContentEditable = typeof $element.attr( "contenteditable" ) !== "undefined" && $element.attr( "contenteditable" ) !== "false",
+				val, idx;
+
+			if ( type === "radio" || type === "checkbox" ) {
+				return this.findByName( element.name ).filter( ":checked" ).val();
+			} else if ( type === "number" && typeof element.validity !== "undefined" ) {
+				return element.validity.badInput ? "NaN" : $element.val();
+			}
+
+			if ( isContentEditable ) {
+				val = $element.text();
+			} else {
+				val = $element.val();
+			}
+
+			if ( type === "file" ) {
+
+				// Modern browser (chrome & safari)
+				if ( val.substr( 0, 12 ) === "C:\\fakepath\\" ) {
+					return val.substr( 12 );
+				}
+
+				// Legacy browsers
+				// Unix-based path
+				idx = val.lastIndexOf( "/" );
+				if ( idx >= 0 ) {
+					return val.substr( idx + 1 );
+				}
+
+				// Windows-based path
+				idx = val.lastIndexOf( "\\" );
+				if ( idx >= 0 ) {
+					return val.substr( idx + 1 );
+				}
+
+				// Just the file name
+				return val;
+			}
+
+			if ( typeof val === "string" ) {
+				return val.replace( /\r/g, "" );
+			}
+			return val;
 		},
 
 		check: function( element ) {
 			element = this.validationTargetFor( this.clean( element ) );
 
-			var rules = $(element).rules();
-			var dependencyMismatch = false;
-			for (var method in rules ) {
-				var rule = { method: method, parameters: rules[method] };
+			var rules = $( element ).rules(),
+				rulesCount = $.map( rules, function( n, i ) {
+					return i;
+				} ).length,
+				dependencyMismatch = false,
+				val = this.elementValue( element ),
+				result, method, rule, normalizer;
+
+			// Prioritize the local normalizer defined for this element over the global one
+			// if the former exists, otherwise user the global one in case it exists.
+			if ( typeof rules.normalizer === "function" ) {
+				normalizer = rules.normalizer;
+			} else if (	typeof this.settings.normalizer === "function" ) {
+				normalizer = this.settings.normalizer;
+			}
+
+			// If normalizer is defined, then call it to retreive the changed value instead
+			// of using the real one.
+			// Note that `this` in the normalizer is `element`.
+			if ( normalizer ) {
+				val = normalizer.call( element, val );
+
+				// Delete the normalizer from rules to avoid treating it as a pre-defined method.
+				delete rules.normalizer;
+			}
+
+			for ( method in rules ) {
+				rule = { method: method, parameters: rules[ method ] };
 				try {
-					var result = $.validator.methods[method].call( this, element.value.replace(/\r/g, ""), element, rule.parameters );
+					result = $.validator.methods[ method ].call( this, val, element, rule.parameters );
 
-					// if a method indicates that the field is optional and therefore valid,
+					// If a method indicates that the field is optional and therefore valid,
 					// don't mark it as valid when there are no other rules
-					if ( result == "dependency-mismatch" ) {
+					if ( result === "dependency-mismatch" && rulesCount === 1 ) {
 						dependencyMismatch = true;
 						continue;
 					}
 					dependencyMismatch = false;
 
-					if ( result == "pending" ) {
-						this.toHide = this.toHide.not( this.errorsFor(element) );
+					if ( result === "pending" ) {
+						this.toHide = this.toHide.not( this.errorsFor( element ) );
 						return;
 					}
 
-					if( !result ) {
+					if ( !result ) {
 						this.formatAndAdd( element, rule );
 						return false;
 					}
-				} catch(e) {
-					this.settings.debug && window.console && console.log("exception occured when checking element " + element.id
-						 + ", check the '" + rule.method + "' method", e);
+				} catch ( e ) {
+					if ( this.settings.debug && window.console ) {
+						console.log( "Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.", e );
+					}
+					if ( e instanceof TypeError ) {
+						e.message += ".  Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.";
+					}
+
 					throw e;
 				}
 			}
-			if (dependencyMismatch)
+			if ( dependencyMismatch ) {
 				return;
-			if ( this.objectLength(rules) )
-				this.successList.push(element);
+			}
+			if ( this.objectLength( rules ) ) {
+				this.successList.push( element );
+			}
 			return true;
 		},
 
-		// return the custom message for the given element and validation method
-		// specified in the element's "messages" metadata
-		customMetaMessage: function(element, method) {
-			if (!$.metadata)
-				return;
-
-			var meta = this.settings.meta
-				? $(element).metadata()[this.settings.meta]
-				: $(element).metadata();
-
-			return meta && meta.messages && meta.messages[method];
+		// Return the custom message for the given element and validation method
+		// specified in the element's HTML5 data attribute
+		// return the generic message if present and no method specific message is present
+		customDataMessage: function( element, method ) {
+			return $( element ).data( "msg" + method.charAt( 0 ).toUpperCase() +
+				method.substring( 1 ).toLowerCase() ) || $( element ).data( "msg" );
 		},
 
-		// return the custom message for the given element name and validation method
+		// Return the custom message for the given element name and validation method
 		customMessage: function( name, method ) {
-			var m = this.settings.messages[name];
-			return m && (m.constructor == String
-				? m
-				: m[method]);
+			var m = this.settings.messages[ name ];
+			return m && ( m.constructor === String ? m : m[ method ] );
 		},
 
-		// return the first defined argument, allowing empty strings
+		// Return the first defined argument, allowing empty strings
 		findDefined: function() {
-			for(var i = 0; i < arguments.length; i++) {
-				if (arguments[i] !== undefined)
-					return arguments[i];
+			for ( var i = 0; i < arguments.length; i++ ) {
+				if ( arguments[ i ] !== undefined ) {
+					return arguments[ i ];
+				}
 			}
 			return undefined;
 		},
 
-		defaultMessage: function( element, method) {
-			return this.findDefined(
-				this.customMessage( element.name, method ),
-				this.customMetaMessage( element, method ),
-				// title is never undefined, so handle empty string as undefined
-				!this.settings.ignoreTitle && element.title || undefined,
-				$.validator.messages[method],
-				"<strong>Warning: No message defined for " + element.name + "</strong>"
-			);
-		},
+		// The second parameter 'rule' used to be a string, and extended to an object literal
+		// of the following form:
+		// rule = {
+		//     method: "method name",
+		//     parameters: "the given method parameters"
+		// }
+		//
+		// The old behavior still supported, kept to maintain backward compatibility with
+		// old code, and will be removed in the next major release.
+		defaultMessage: function( element, rule ) {
+			if ( typeof rule === "string" ) {
+				rule = { method: rule };
+			}
 
-		formatAndAdd: function( element, rule ) {
-			var message = this.defaultMessage( element, rule.method ),
+			var message = this.findDefined(
+					this.customMessage( element.name, rule.method ),
+					this.customDataMessage( element, rule.method ),
+
+					// 'title' is never undefined, so handle empty string as undefined
+					!this.settings.ignoreTitle && element.title || undefined,
+					$.validator.messages[ rule.method ],
+					"<strong>Warning: No message defined for " + element.name + "</strong>"
+				),
 				theregex = /\$?\{(\d+)\}/g;
-			if ( typeof message == "function" ) {
-				message = message.call(this, rule.parameters, element);
-			} else if (theregex.test(message)) {
-				message = jQuery.format(message.replace(theregex, '{$1}'), rule.parameters);
+			if ( typeof message === "function" ) {
+				message = message.call( this, rule.parameters, element );
+			} else if ( theregex.test( message ) ) {
+				message = $.validator.format( message.replace( theregex, "{$1}" ), rule.parameters );
 			}
-			this.errorList.push({
+
+			return message;
+		},
+
+		formatAndAdd: function( element, rule ) {
+			var message = this.defaultMessage( element, rule );
+
+			this.errorList.push( {
 				message: message,
-				element: element
-			});
+				element: element,
+				method: rule.method
+			} );
 
-			this.errorMap[element.name] = message;
-			this.submitted[element.name] = message;
+			this.errorMap[ element.name ] = message;
+			this.submitted[ element.name ] = message;
 		},
 
-		addWrapper: function(toToggle) {
-			if ( this.settings.wrapper )
+		addWrapper: function( toToggle ) {
+			if ( this.settings.wrapper ) {
 				toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
+			}
 			return toToggle;
 		},
 
 		defaultShowErrors: function() {
-			for ( var i = 0; this.errorList[i]; i++ ) {
-				var error = this.errorList[i];
-				this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
+			var i, elements, error;
+			for ( i = 0; this.errorList[ i ]; i++ ) {
+				error = this.errorList[ i ];
+				if ( this.settings.highlight ) {
+					this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
+				}
 				this.showLabel( error.element, error.message );
 			}
-			if( this.errorList.length ) {
+			if ( this.errorList.length ) {
 				this.toShow = this.toShow.add( this.containers );
 			}
-			if (this.settings.success) {
-				for ( var i = 0; this.successList[i]; i++ ) {
-					this.showLabel( this.successList[i] );
+			if ( this.settings.success ) {
+				for ( i = 0; this.successList[ i ]; i++ ) {
+					this.showLabel( this.successList[ i ] );
 				}
 			}
-			if (this.settings.unhighlight) {
-				for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
-					this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );
+			if ( this.settings.unhighlight ) {
+				for ( i = 0, elements = this.validElements(); elements[ i ]; i++ ) {
+					this.settings.unhighlight.call( this, elements[ i ], this.settings.errorClass, this.settings.validClass );
 				}
 			}
 			this.toHide = this.toHide.not( this.toShow );
@@ -621,568 +932,719 @@ $.extend($.validator, {
 		},
 
 		validElements: function() {
-			return this.currentElements.not(this.invalidElements());
+			return this.currentElements.not( this.invalidElements() );
 		},
 
 		invalidElements: function() {
-			return $(this.errorList).map(function() {
+			return $( this.errorList ).map( function() {
 				return this.element;
-			});
+			} );
 		},
 
-		showLabel: function(element, message) {
-			var label = this.errorsFor( element );
-			if ( label.length ) {
-				// refresh error/success class
-				label.removeClass( this.settings.validClass ).addClass( this.settings.errorClass );
+		showLabel: function( element, message ) {
+			var place, group, errorID, v,
+				error = this.errorsFor( element ),
+				elementID = this.idOrName( element ),
+				describedBy = $( element ).attr( "aria-describedby" );
+
+			if ( error.length ) {
 
-				// check if we have a generated label, replace the message then
-				label.attr("generated") && label.html(message);
+				// Refresh error/success class
+				error.removeClass( this.settings.validClass ).addClass( this.settings.errorClass );
+
+				// Replace message on existing label
+				error.html( message );
 			} else {
-				// create label
-				label = $("<" + this.settings.errorElement + "/>")
-					.attr({"for":  this.idOrName(element), generated: true})
-					.addClass(this.settings.errorClass)
-					.html(message || "");
+
+				// Create error element
+				error = $( "<" + this.settings.errorElement + ">" )
+					.attr( "id", elementID + "-error" )
+					.addClass( this.settings.errorClass )
+					.html( message || "" );
+
+				// Maintain reference to the element to be placed into the DOM
+				place = error;
 				if ( this.settings.wrapper ) {
-					// make sure the element is visible, even in IE
+
+					// Make sure the element is visible, even in IE
 					// actually showing the wrapped element is handled elsewhere
-					label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
+					place = error.hide().show().wrap( "<" + this.settings.wrapper + "/>" ).parent();
+				}
+				if ( this.labelContainer.length ) {
+					this.labelContainer.append( place );
+				} else if ( this.settings.errorPlacement ) {
+					this.settings.errorPlacement.call( this, place, $( element ) );
+				} else {
+					place.insertAfter( element );
+				}
+
+				// Link error back to the element
+				if ( error.is( "label" ) ) {
+
+					// If the error is a label, then associate using 'for'
+					error.attr( "for", elementID );
+
+					// If the element is not a child of an associated label, then it's necessary
+					// to explicitly apply aria-describedby
+				} else if ( error.parents( "label[for='" + this.escapeCssMeta( elementID ) + "']" ).length === 0 ) {
+					errorID = error.attr( "id" );
+
+					// Respect existing non-error aria-describedby
+					if ( !describedBy ) {
+						describedBy = errorID;
+					} else if ( !describedBy.match( new RegExp( "\\b" + this.escapeCssMeta( errorID ) + "\\b" ) ) ) {
+
+						// Add to end of list if not already present
+						describedBy += " " + errorID;
+					}
+					$( element ).attr( "aria-describedby", describedBy );
+
+					// If this element is grouped, then assign to all elements in the same group
+					group = this.groups[ element.name ];
+					if ( group ) {
+						v = this;
+						$.each( v.groups, function( name, testgroup ) {
+							if ( testgroup === group ) {
+								$( "[name='" + v.escapeCssMeta( name ) + "']", v.currentForm )
+									.attr( "aria-describedby", error.attr( "id" ) );
+							}
+						} );
+					}
 				}
-				if ( !this.labelContainer.append(label).length )
-					this.settings.errorPlacement
-						? this.settings.errorPlacement(label, $(element) )
-						: label.insertAfter(element);
 			}
 			if ( !message && this.settings.success ) {
-				label.text("");
-				typeof this.settings.success == "string"
-					? label.addClass( this.settings.success )
-					: this.settings.success( label );
+				error.text( "" );
+				if ( typeof this.settings.success === "string" ) {
+					error.addClass( this.settings.success );
+				} else {
+					this.settings.success( error, element );
+				}
 			}
-			this.toShow = this.toShow.add(label);
+			this.toShow = this.toShow.add( error );
 		},
 
-		errorsFor: function(element) {
-			var name = this.idOrName(element);
-    		return this.errors().filter(function() {
-				return $(this).attr('for') == name;
-			});
+		errorsFor: function( element ) {
+			var name = this.escapeCssMeta( this.idOrName( element ) ),
+				describer = $( element ).attr( "aria-describedby" ),
+				selector = "label[for='" + name + "'], label[for='" + name + "'] *";
+
+			// 'aria-describedby' should directly reference the error element
+			if ( describer ) {
+				selector = selector + ", #" + this.escapeCssMeta( describer )
+					.replace( /\s+/g, ", #" );
+			}
+
+			return this
+				.errors()
+				.filter( selector );
 		},
 
-		idOrName: function(element) {
-			return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
+		// See https://api.jquery.com/category/selectors/, for CSS
+		// meta-characters that should be escaped in order to be used with JQuery
+		// as a literal part of a name/id or any selector.
+		escapeCssMeta: function( string ) {
+			return string.replace( /([\\!"#$%&'()*+,./:;<=>?@\[\]^`{|}~])/g, "\\$1" );
 		},
 
-		validationTargetFor: function(element) {
-			// if radio/checkbox, validate first element in group instead
-			if (this.checkable(element)) {
-				element = this.findByName( element.name ).not(this.settings.ignore)[0];
+		idOrName: function( element ) {
+			return this.groups[ element.name ] || ( this.checkable( element ) ? element.name : element.id || element.name );
+		},
+
+		validationTargetFor: function( element ) {
+
+			// If radio/checkbox, validate first element in group instead
+			if ( this.checkable( element ) ) {
+				element = this.findByName( element.name );
 			}
-			return element;
+
+			// Always apply ignore filter
+			return $( element ).not( this.settings.ignore )[ 0 ];
 		},
 
 		checkable: function( element ) {
-			return /radio|checkbox/i.test(element.type);
+			return ( /radio|checkbox/i ).test( element.type );
 		},
 
 		findByName: function( name ) {
-			// select by name and filter by form for performance over form.find("[name=...]")
-			var form = this.currentForm;
-			return $(document.getElementsByName(name)).map(function(index, element) {
-				return element.form == form && element.name == name && element  || null;
-			});
+			return $( this.currentForm ).find( "[name='" + this.escapeCssMeta( name ) + "']" );
 		},
 
-		getLength: function(value, element) {
-			switch( element.nodeName.toLowerCase() ) {
-			case 'select':
-				return $("option:selected", element).length;
-			case 'input':
-				if( this.checkable( element) )
-					return this.findByName(element.name).filter(':checked').length;
+		getLength: function( value, element ) {
+			switch ( element.nodeName.toLowerCase() ) {
+			case "select":
+				return $( "option:selected", element ).length;
+			case "input":
+				if ( this.checkable( element ) ) {
+					return this.findByName( element.name ).filter( ":checked" ).length;
+				}
 			}
 			return value.length;
 		},
 
-		depend: function(param, element) {
-			return this.dependTypes[typeof param]
-				? this.dependTypes[typeof param](param, element)
-				: true;
+		depend: function( param, element ) {
+			return this.dependTypes[ typeof param ] ? this.dependTypes[ typeof param ]( param, element ) : true;
 		},
 
 		dependTypes: {
-			"boolean": function(param, element) {
+			"boolean": function( param ) {
 				return param;
 			},
-			"string": function(param, element) {
-				return !!$(param, element.form).length;
+			"string": function( param, element ) {
+				return !!$( param, element.form ).length;
 			},
-			"function": function(param, element) {
-				return param(element);
+			"function": function( param, element ) {
+				return param( element );
 			}
 		},
 
-		optional: function(element) {
-			return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";
+		optional: function( element ) {
+			var val = this.elementValue( element );
+			return !$.validator.methods.required.call( this, val, element ) && "dependency-mismatch";
 		},
 
-		startRequest: function(element) {
-			if (!this.pending[element.name]) {
+		startRequest: function( element ) {
+			if ( !this.pending[ element.name ] ) {
 				this.pendingRequest++;
-				this.pending[element.name] = true;
+				$( element ).addClass( this.settings.pendingClass );
+				this.pending[ element.name ] = true;
 			}
 		},
 
-		stopRequest: function(element, valid) {
+		stopRequest: function( element, valid ) {
 			this.pendingRequest--;
-			// sometimes synchronization fails, make sure pendingRequest is never < 0
-			if (this.pendingRequest < 0)
+
+			// Sometimes synchronization fails, make sure pendingRequest is never < 0
+			if ( this.pendingRequest < 0 ) {
 				this.pendingRequest = 0;
-			delete this.pending[element.name];
-			if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {
-				$(this.currentForm).submit();
+			}
+			delete this.pending[ element.name ];
+			$( element ).removeClass( this.settings.pendingClass );
+			if ( valid && this.pendingRequest === 0 && this.formSubmitted && this.form() ) {
+				$( this.currentForm ).submit();
+
+				// Remove the hidden input that was used as a replacement for the
+				// missing submit button. The hidden input is added by `handle()`
+				// to ensure that the value of the used submit button is passed on
+				// for scripted submits triggered by this method
+				if ( this.submitButton ) {
+					$( "input:hidden[name='" + this.submitButton.name + "']", this.currentForm ).remove();
+				}
+
 				this.formSubmitted = false;
-			} else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
-				$(this.currentForm).triggerHandler("invalid-form", [this]);
+			} else if ( !valid && this.pendingRequest === 0 && this.formSubmitted ) {
+				$( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
 				this.formSubmitted = false;
 			}
 		},
 
-		previousValue: function(element) {
-			return $.data(element, "previousValue") || $.data(element, "previousValue", {
+		previousValue: function( element, method ) {
+			method = typeof method === "string" && method || "remote";
+
+			return $.data( element, "previousValue" ) || $.data( element, "previousValue", {
 				old: null,
 				valid: true,
-				message: this.defaultMessage( element, "remote" )
-			});
+				message: this.defaultMessage( element, { method: method } )
+			} );
+		},
+
+		// Cleans up all forms and elements, removes validator-specific events
+		destroy: function() {
+			this.resetForm();
+
+			$( this.currentForm )
+				.off( ".validate" )
+				.removeData( "validator" )
+				.find( ".validate-equalTo-blur" )
+					.off( ".validate-equalTo" )
+					.removeClass( "validate-equalTo-blur" )
+				.find( ".validate-lessThan-blur" )
+					.off( ".validate-lessThan" )
+					.removeClass( "validate-lessThan-blur" )
+				.find( ".validate-lessThanEqual-blur" )
+					.off( ".validate-lessThanEqual" )
+					.removeClass( "validate-lessThanEqual-blur" )
+				.find( ".validate-greaterThanEqual-blur" )
+					.off( ".validate-greaterThanEqual" )
+					.removeClass( "validate-greaterThanEqual-blur" )
+				.find( ".validate-greaterThan-blur" )
+					.off( ".validate-greaterThan" )
+					.removeClass( "validate-greaterThan-blur" );
 		}
 
 	},
 
 	classRuleSettings: {
-		required: {required: true},
-		email: {email: true},
-		url: {url: true},
-		date: {date: true},
-		dateISO: {dateISO: true},
-		dateDE: {dateDE: true},
-		number: {number: true},
-		numberDE: {numberDE: true},
-		digits: {digits: true},
-		creditcard: {creditcard: true}
+		required: { required: true },
+		email: { email: true },
+		url: { url: true },
+		date: { date: true },
+		dateISO: { dateISO: true },
+		number: { number: true },
+		digits: { digits: true },
+		creditcard: { creditcard: true }
 	},
 
-	addClassRules: function(className, rules) {
-		className.constructor == String ?
-			this.classRuleSettings[className] = rules :
-			$.extend(this.classRuleSettings, className);
+	addClassRules: function( className, rules ) {
+		if ( className.constructor === String ) {
+			this.classRuleSettings[ className ] = rules;
+		} else {
+			$.extend( this.classRuleSettings, className );
+		}
 	},
 
-	classRules: function(element) {
-		var rules = {};
-		var classes = $(element).attr('class');
-		classes && $.each(classes.split(' '), function() {
-			if (this in $.validator.classRuleSettings) {
-				$.extend(rules, $.validator.classRuleSettings[this]);
-			}
-		});
+	classRules: function( element ) {
+		var rules = {},
+			classes = $( element ).attr( "class" );
+
+		if ( classes ) {
+			$.each( classes.split( " " ), function() {
+				if ( this in $.validator.classRuleSettings ) {
+					$.extend( rules, $.validator.classRuleSettings[ this ] );
+				}
+			} );
+		}
 		return rules;
 	},
 
-	attributeRules: function(element) {
-		var rules = {};
-		var $element = $(element);
+	normalizeAttributeRule: function( rules, type, method, value ) {
 
-		for (var method in $.validator.methods) {
-			var value;
-			// If .prop exists (jQuery >= 1.6), use it to get true/false for required
-			if (method === 'required' && typeof $.fn.prop === 'function') {
-				value = $element.prop(method);
-			} else {
-				value = $element.attr(method);
+		// Convert the value to a number for number inputs, and for text for backwards compability
+		// allows type="date" and others to be compared as strings
+		if ( /min|max|step/.test( method ) && ( type === null || /number|range|text/.test( type ) ) ) {
+			value = Number( value );
+
+			// Support Opera Mini, which returns NaN for undefined minlength
+			if ( isNaN( value ) ) {
+				value = undefined;
 			}
-			if (value) {
-				rules[method] = value;
-			} else if ($element[0].getAttribute("type") === method) {
-				rules[method] = true;
+		}
+
+		if ( value || value === 0 ) {
+			rules[ method ] = value;
+		} else if ( type === method && type !== "range" ) {
+
+			// Exception: the jquery validate 'range' method
+			// does not test for the html5 'range' type
+			rules[ method ] = true;
+		}
+	},
+
+	attributeRules: function( element ) {
+		var rules = {},
+			$element = $( element ),
+			type = element.getAttribute( "type" ),
+			method, value;
+
+		for ( method in $.validator.methods ) {
+
+			// Support for <input required> in both html5 and older browsers
+			if ( method === "required" ) {
+				value = element.getAttribute( method );
+
+				// Some browsers return an empty string for the required attribute
+				// and non-HTML5 browsers might have required="" markup
+				if ( value === "" ) {
+					value = true;
+				}
+
+				// Force non-HTML5 browsers to return bool
+				value = !!value;
+			} else {
+				value = $element.attr( method );
 			}
+
+			this.normalizeAttributeRule( rules, type, method, value );
 		}
 
-		// maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs
-		if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
+		// 'maxlength' may be returned as -1, 2147483647 ( IE ) and 524288 ( safari ) for text inputs
+		if ( rules.maxlength && /-1|2147483647|524288/.test( rules.maxlength ) ) {
 			delete rules.maxlength;
 		}
 
 		return rules;
 	},
 
-	metadataRules: function(element) {
-		if (!$.metadata) return {};
+	dataRules: function( element ) {
+		var rules = {},
+			$element = $( element ),
+			type = element.getAttribute( "type" ),
+			method, value;
 
-		var meta = $.data(element.form, 'validator').settings.meta;
-		return meta ?
-			$(element).metadata()[meta] :
-			$(element).metadata();
+		for ( method in $.validator.methods ) {
+			value = $element.data( "rule" + method.charAt( 0 ).toUpperCase() + method.substring( 1 ).toLowerCase() );
+
+			// Cast empty attributes like `data-rule-required` to `true`
+			if ( value === "" ) {
+				value = true;
+			}
+
+			this.normalizeAttributeRule( rules, type, method, value );
+		}
+		return rules;
 	},
 
-	staticRules: function(element) {
-		var rules = {};
-		var validator = $.data(element.form, 'validator');
-		if (validator.settings.rules) {
-			rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};
+	staticRules: function( element ) {
+		var rules = {},
+			validator = $.data( element.form, "validator" );
+
+		if ( validator.settings.rules ) {
+			rules = $.validator.normalizeRule( validator.settings.rules[ element.name ] ) || {};
 		}
 		return rules;
 	},
 
-	normalizeRules: function(rules, element) {
-		// handle dependency check
-		$.each(rules, function(prop, val) {
-			// ignore rule when param is explicitly false, eg. required:false
-			if (val === false) {
-				delete rules[prop];
+	normalizeRules: function( rules, element ) {
+
+		// Handle dependency check
+		$.each( rules, function( prop, val ) {
+
+			// Ignore rule when param is explicitly false, eg. required:false
+			if ( val === false ) {
+				delete rules[ prop ];
 				return;
 			}
-			if (val.param || val.depends) {
+			if ( val.param || val.depends ) {
 				var keepRule = true;
-				switch (typeof val.depends) {
-					case "string":
-						keepRule = !!$(val.depends, element.form).length;
-						break;
-					case "function":
-						keepRule = val.depends.call(element, element);
-						break;
+				switch ( typeof val.depends ) {
+				case "string":
+					keepRule = !!$( val.depends, element.form ).length;
+					break;
+				case "function":
+					keepRule = val.depends.call( element, element );
+					break;
 				}
-				if (keepRule) {
-					rules[prop] = val.param !== undefined ? val.param : true;
+				if ( keepRule ) {
+					rules[ prop ] = val.param !== undefined ? val.param : true;
 				} else {
-					delete rules[prop];
+					$.data( element.form, "validator" ).resetElements( $( element ) );
+					delete rules[ prop ];
 				}
 			}
-		});
+		} );
 
-		// evaluate parameters
-		$.each(rules, function(rule, parameter) {
-			rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
-		});
+		// Evaluate parameters
+		$.each( rules, function( rule, parameter ) {
+			rules[ rule ] = $.isFunction( parameter ) && rule !== "normalizer" ? parameter( element ) : parameter;
+		} );
 
-		// clean number parameters
-		$.each(['minlength', 'maxlength', 'min', 'max'], function() {
-			if (rules[this]) {
-				rules[this] = Number(rules[this]);
+		// Clean number parameters
+		$.each( [ "minlength", "maxlength" ], function() {
+			if ( rules[ this ] ) {
+				rules[ this ] = Number( rules[ this ] );
 			}
-		});
-		$.each(['rangelength', 'range'], function() {
-			if (rules[this]) {
-				rules[this] = [Number(rules[this][0]), Number(rules[this][1])];
+		} );
+		$.each( [ "rangelength", "range" ], function() {
+			var parts;
+			if ( rules[ this ] ) {
+				if ( $.isArray( rules[ this ] ) ) {
+					rules[ this ] = [ Number( rules[ this ][ 0 ] ), Number( rules[ this ][ 1 ] ) ];
+				} else if ( typeof rules[ this ] === "string" ) {
+					parts = rules[ this ].replace( /[\[\]]/g, "" ).split( /[\s,]+/ );
+					rules[ this ] = [ Number( parts[ 0 ] ), Number( parts[ 1 ] ) ];
+				}
 			}
-		});
+		} );
 
-		if ($.validator.autoCreateRanges) {
-			// auto-create ranges
-			if (rules.min && rules.max) {
-				rules.range = [rules.min, rules.max];
+		if ( $.validator.autoCreateRanges ) {
+
+			// Auto-create ranges
+			if ( rules.min != null && rules.max != null ) {
+				rules.range = [ rules.min, rules.max ];
 				delete rules.min;
 				delete rules.max;
 			}
-			if (rules.minlength && rules.maxlength) {
-				rules.rangelength = [rules.minlength, rules.maxlength];
+			if ( rules.minlength != null && rules.maxlength != null ) {
+				rules.rangelength = [ rules.minlength, rules.maxlength ];
 				delete rules.minlength;
 				delete rules.maxlength;
 			}
 		}
 
-		// To support custom messages in metadata ignore rule methods titled "messages"
-		if (rules.messages) {
-			delete rules.messages;
-		}
-
 		return rules;
 	},
 
 	// Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
-	normalizeRule: function(data) {
-		if( typeof data == "string" ) {
+	normalizeRule: function( data ) {
+		if ( typeof data === "string" ) {
 			var transformed = {};
-			$.each(data.split(/\s/), function() {
-				transformed[this] = true;
-			});
+			$.each( data.split( /\s/ ), function() {
+				transformed[ this ] = true;
+			} );
 			data = transformed;
 		}
 		return data;
 	},
 
-	// http://docs.jquery.com/Plugins/Validation/Validator/addMethod
-	addMethod: function(name, method, message) {
-		$.validator.methods[name] = method;
-		$.validator.messages[name] = message != undefined ? message : $.validator.messages[name];
-		if (method.length < 3) {
-			$.validator.addClassRules(name, $.validator.normalizeRule(name));
+	// https://jqueryvalidation.org/jQuery.validator.addMethod/
+	addMethod: function( name, method, message ) {
+		$.validator.methods[ name ] = method;
+		$.validator.messages[ name ] = message !== undefined ? message : $.validator.messages[ name ];
+		if ( method.length < 3 ) {
+			$.validator.addClassRules( name, $.validator.normalizeRule( name ) );
 		}
 	},
 
+	// https://jqueryvalidation.org/jQuery.validator.methods/
 	methods: {
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/required
-		required: function(value, element, param) {
-			// check if dependency is met
-			if ( !this.depend(param, element) )
+		// https://jqueryvalidation.org/required-method/
+		required: function( value, element, param ) {
+
+			// Check if dependency is met
+			if ( !this.depend( param, element ) ) {
 				return "dependency-mismatch";
-			switch( element.nodeName.toLowerCase() ) {
-			case 'select':
-				// could be an array for select-multiple or a string, both are fine this way
-				var val = $(element).val();
+			}
+			if ( element.nodeName.toLowerCase() === "select" ) {
+
+				// Could be an array for select-multiple or a string, both are fine this way
+				var val = $( element ).val();
 				return val && val.length > 0;
-			case 'input':
-				if ( this.checkable(element) )
-					return this.getLength(value, element) > 0;
-			default:
-				return $.trim(value).length > 0;
 			}
+			if ( this.checkable( element ) ) {
+				return this.getLength( value, element ) > 0;
+			}
+			return value !== undefined && value !== null && value.length > 0;
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/remote
-		remote: function(value, element, param) {
-			if ( this.optional(element) )
-				return "dependency-mismatch";
+		// https://jqueryvalidation.org/email-method/
+		email: function( value, element ) {
 
-			var previous = this.previousValue(element);
-			if (!this.settings.messages[element.name] )
-				this.settings.messages[element.name] = {};
-			previous.originalMessage = this.settings.messages[element.name].remote;
-			this.settings.messages[element.name].remote = previous.message;
+			// From https://html.spec.whatwg.org/multipage/forms.html#valid-e-mail-address
+			// Retrieved 2014-01-14
+			// If you have a problem with this implementation, report a bug against the above spec
+			// Or use custom methods to implement your own email validation
+			return this.optional( element ) || /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/.test( value );
+		},
 
-			param = typeof param == "string" && {url:param} || param;
+		// https://jqueryvalidation.org/url-method/
+		url: function( value, element ) {
 
-			if ( this.pending[element.name] ) {
-				return "pending";
-			}
-			if ( previous.old === value ) {
-				return previous.valid;
-			}
+			// Copyright (c) 2010-2013 Diego Perini, MIT licensed
+			// https://gist.github.com/dperini/729294
+			// see also https://mathiasbynens.be/demo/url-regex
+			// modified to allow protocol-relative URLs
+			return this.optional( element ) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test( value );
+		},
 
-			previous.old = value;
-			var validator = this;
-			this.startRequest(element);
-			var data = {};
-			data[element.name] = value;
-			$.ajax($.extend(true, {
-				url: param,
-				mode: "abort",
-				port: "validate" + element.name,
-				dataType: "json",
-				data: data,
-				success: function(response) {
-					validator.settings.messages[element.name].remote = previous.originalMessage;
-					var valid = response === true;
-					if ( valid ) {
-						var submitted = validator.formSubmitted;
-						validator.prepareElement(element);
-						validator.formSubmitted = submitted;
-						validator.successList.push(element);
-						validator.showErrors();
-					} else {
-						var errors = {};
-						var message = response || validator.defaultMessage( element, "remote" );
-						errors[element.name] = previous.message = $.isFunction(message) ? message(value) : message;
-						validator.showErrors(errors);
+		// https://jqueryvalidation.org/date-method/
+		date: ( function() {
+			var called = false;
+
+			return function( value, element ) {
+				if ( !called ) {
+					called = true;
+					if ( this.settings.debug && window.console ) {
+						console.warn(
+							"The `date` method is deprecated and will be removed in version '2.0.0'.\n" +
+							"Please don't use it, since it relies on the Date constructor, which\n" +
+							"behaves very differently across browsers and locales. Use `dateISO`\n" +
+							"instead or one of the locale specific methods in `localizations/`\n" +
+							"and `additional-methods.js`."
+						);
 					}
-					previous.valid = valid;
-					validator.stopRequest(element, valid);
 				}
-			}, param));
-			return "pending";
+
+				return this.optional( element ) || !/Invalid|NaN/.test( new Date( value ).toString() );
+			};
+		}() ),
+
+		// https://jqueryvalidation.org/dateISO-method/
+		dateISO: function( value, element ) {
+			return this.optional( element ) || /^\d{4}[\/\-](0?[1-9]|1[012])[\/\-](0?[1-9]|[12][0-9]|3[01])$/.test( value );
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/minlength
-		minlength: function(value, element, param) {
-			return this.optional(element) || this.getLength($.trim(value), element) >= param;
+		// https://jqueryvalidation.org/number-method/
+		number: function( value, element ) {
+			return this.optional( element ) || /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test( value );
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/maxlength
-		maxlength: function(value, element, param) {
-			return this.optional(element) || this.getLength($.trim(value), element) <= param;
+		// https://jqueryvalidation.org/digits-method/
+		digits: function( value, element ) {
+			return this.optional( element ) || /^\d+$/.test( value );
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/rangelength
-		rangelength: function(value, element, param) {
-			var length = this.getLength($.trim(value), element);
-			return this.optional(element) || ( length >= param[0] && length <= param[1] );
+		// https://jqueryvalidation.org/minlength-method/
+		minlength: function( value, element, param ) {
+			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
+			return this.optional( element ) || length >= param;
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/min
+		// https://jqueryvalidation.org/maxlength-method/
+		maxlength: function( value, element, param ) {
+			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
+			return this.optional( element ) || length <= param;
+		},
+
+		// https://jqueryvalidation.org/rangelength-method/
+		rangelength: function( value, element, param ) {
+			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
+			return this.optional( element ) || ( length >= param[ 0 ] && length <= param[ 1 ] );
+		},
+
+		// https://jqueryvalidation.org/min-method/
 		min: function( value, element, param ) {
-			return this.optional(element) || value >= param;
+			return this.optional( element ) || value >= param;
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/max
+		// https://jqueryvalidation.org/max-method/
 		max: function( value, element, param ) {
-			return this.optional(element) || value <= param;
+			return this.optional( element ) || value <= param;
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/range
+		// https://jqueryvalidation.org/range-method/
 		range: function( value, element, param ) {
-			return this.optional(element) || ( value >= param[0] && value <= param[1] );
+			return this.optional( element ) || ( value >= param[ 0 ] && value <= param[ 1 ] );
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/email
-		email: function(value, element) {
-			// contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
-			return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/i.test(value);
-		},
+		// https://jqueryvalidation.org/step-method/
+		step: function( value, element, param ) {
+			var type = $( element ).attr( "type" ),
+				errorMessage = "Step attribute on input type " + type + " is not supported.",
+				supportedTypes = [ "text", "number", "range" ],
+				re = new RegExp( "\\b" + type + "\\b" ),
+				notSupported = type && !re.test( supportedTypes.join() ),
+				decimalPlaces = function( num ) {
+					var match = ( "" + num ).match( /(?:\.(\d+))?$/ );
+					if ( !match ) {
+						return 0;
+					}
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/url
-		url: function(value, element) {
-			// contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
-			return this.optional(element) || /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
-		},
+					// Number of digits right of decimal point.
+					return match[ 1 ] ? match[ 1 ].length : 0;
+				},
+				toInt = function( num ) {
+					return Math.round( num * Math.pow( 10, decimals ) );
+				},
+				valid = true,
+				decimals;
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/date
-		date: function(value, element) {
-			return this.optional(element) || !/Invalid|NaN/.test(new Date(value));
-		},
+			// Works only for text, number and range input types
+			// TODO find a way to support input types date, datetime, datetime-local, month, time and week
+			if ( notSupported ) {
+				throw new Error( errorMessage );
+			}
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/dateISO
-		dateISO: function(value, element) {
-			return this.optional(element) || /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);
-		},
+			decimals = decimalPlaces( param );
+
+			// Value can't have too many decimals
+			if ( decimalPlaces( value ) > decimals || toInt( value ) % toInt( param ) !== 0 ) {
+				valid = false;
+			}
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/number
-		number: function(value, element) {
-			return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);
+			return this.optional( element ) || valid;
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/digits
-		digits: function(value, element) {
-			return this.optional(element) || /^\d+$/.test(value);
+		// https://jqueryvalidation.org/equalTo-method/
+		equalTo: function( value, element, param ) {
+
+			// Bind to the blur event of the target in order to revalidate whenever the target field is updated
+			var target = $( param );
+			if ( this.settings.onfocusout && target.not( ".validate-equalTo-blur" ).length ) {
+				target.addClass( "validate-equalTo-blur" ).on( "blur.validate-equalTo", function() {
+					$( element ).valid();
+				} );
+			}
+			return value === target.val();
 		},
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/creditcard
-		// based on http://en.wikipedia.org/wiki/Luhn
-		creditcard: function(value, element) {
-			if ( this.optional(element) )
+		// https://jqueryvalidation.org/remote-method/
+		remote: function( value, element, param, method ) {
+			if ( this.optional( element ) ) {
 				return "dependency-mismatch";
-			// accept only spaces, digits and dashes
-			if (/[^0-9 -]+/.test(value))
-				return false;
-			var nCheck = 0,
-				nDigit = 0,
-				bEven = false;
-
-			value = value.replace(/\D/g, "");
-
-			for (var n = value.length - 1; n >= 0; n--) {
-				var cDigit = value.charAt(n);
-				var nDigit = parseInt(cDigit, 10);
-				if (bEven) {
-					if ((nDigit *= 2) > 9)
-						nDigit -= 9;
-				}
-				nCheck += nDigit;
-				bEven = !bEven;
 			}
 
-			return (nCheck % 10) == 0;
-		},
+			method = typeof method === "string" && method || "remote";
 
-		// http://docs.jquery.com/Plugins/Validation/Methods/accept
-		accept: function(value, element, param) {
-			param = typeof param == "string" ? param.replace(/,/g, '|') : "png|jpe?g|gif";
-			return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i"));
-		},
-
-		// http://docs.jquery.com/Plugins/Validation/Methods/equalTo
-		equalTo: function(value, element, param) {
-			// bind to the blur event of the target in order to revalidate whenever the target field is updated
-			// TODO find a way to bind the event just once, avoiding the unbind-rebind overhead
-			var target = $(param).unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
-				$(element).valid();
-			});
-			return value == target.val();
-		}
+			var previous = this.previousValue( element, method ),
+				validator, data, optionDataString;
 
-	}
+			if ( !this.settings.messages[ element.name ] ) {
+				this.settings.messages[ element.name ] = {};
+			}
+			previous.originalMessage = previous.originalMessage || this.settings.messages[ element.name ][ method ];
+			this.settings.messages[ element.name ][ method ] = previous.message;
 
-});
+			param = typeof param === "string" && { url: param } || param;
+			optionDataString = $.param( $.extend( { data: value }, param.data ) );
+			if ( previous.old === optionDataString ) {
+				return previous.valid;
+			}
 
-// deprecated, use $.validator.format instead
-$.format = $.validator.format;
+			previous.old = optionDataString;
+			validator = this;
+			this.startRequest( element );
+			data = {};
+			data[ element.name ] = value;
+			$.ajax( $.extend( true, {
+				mode: "abort",
+				port: "validate" + element.name,
+				dataType: "json",
+				data: data,
+				context: validator.currentForm,
+				success: function( response ) {
+					var valid = response === true || response === "true",
+						errors, message, submitted;
 
-})(jQuery);
+					validator.settings.messages[ element.name ][ method ] = previous.originalMessage;
+					if ( valid ) {
+						submitted = validator.formSubmitted;
+						validator.resetInternals();
+						validator.toHide = validator.errorsFor( element );
+						validator.formSubmitted = submitted;
+						validator.successList.push( element );
+						validator.invalid[ element.name ] = false;
+						validator.showErrors();
+					} else {
+						errors = {};
+						message = response || validator.defaultMessage( element, { method: method, parameters: value } );
+						errors[ element.name ] = previous.message = message;
+						validator.invalid[ element.name ] = true;
+						validator.showErrors( errors );
+					}
+					previous.valid = valid;
+					validator.stopRequest( element, valid );
+				}
+			}, param ) );
+			return "pending";
+		}
+	}
 
-// ajax mode: abort
+} );
+

+// Ajax mode: abort
 // usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
 // if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()
-;(function($) {
-	var pendingRequests = {};
-	// Use a prefilter if available (1.5+)
-	if ( $.ajaxPrefilter ) {
-		$.ajaxPrefilter(function(settings, _, xhr) {
-			var port = settings.port;
-			if (settings.mode == "abort") {
-				if ( pendingRequests[port] ) {
-					pendingRequests[port].abort();
-				}
-				pendingRequests[port] = xhr;
-			}
-		});
-	} else {
-		// Proxy ajax
-		var ajax = $.ajax;
-		$.ajax = function(settings) {
-			var mode = ( "mode" in settings ? settings : $.ajaxSettings ).mode,
-				port = ( "port" in settings ? settings : $.ajaxSettings ).port;
-			if (mode == "abort") {
-				if ( pendingRequests[port] ) {
-					pendingRequests[port].abort();
-				}
-				return (pendingRequests[port] = ajax.apply(this, arguments));
+
+var pendingRequests = {},
+	ajax;
+
+// Use a prefilter if available (1.5+)
+if ( $.ajaxPrefilter ) {
+	$.ajaxPrefilter( function( settings, _, xhr ) {
+		var port = settings.port;
+		if ( settings.mode === "abort" ) {
+			if ( pendingRequests[ port ] ) {
+				pendingRequests[ port ].abort();
 			}
-			return ajax.apply(this, arguments);
-		};
-	}
-})(jQuery);
-
-// provides cross-browser focusin and focusout events
-// IE has native support, in other browsers, use event caputuring (neither bubbles)
-
-// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
-// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target
-;(function($) {
-	// only implement if not provided by jQuery core (since 1.4)
-	// TODO verify if jQuery 1.4's implementation is compatible with older jQuery special-event APIs
-	if (!jQuery.event.special.focusin && !jQuery.event.special.focusout && document.addEventListener) {
-		$.each({
-			focus: 'focusin',
-			blur: 'focusout'
-		}, function( original, fix ){
-			$.event.special[fix] = {
-				setup:function() {
-					this.addEventListener( original, handler, true );
-				},
-				teardown:function() {
-					this.removeEventListener( original, handler, true );
-				},
-				handler: function(e) {
-					arguments[0] = $.event.fix(e);
-					arguments[0].type = fix;
-					return $.event.handle.apply(this, arguments);
-				}
-			};
-			function handler(e) {
-				e = $.event.fix(e);
-				e.type = fix;
-				return $.event.handle.call(this, e);
+			pendingRequests[ port ] = xhr;
+		}
+	} );
+} else {
+
+	// Proxy ajax
+	ajax = $.ajax;
+	$.ajax = function( settings ) {
+		var mode = ( "mode" in settings ? settings : $.ajaxSettings ).mode,
+			port = ( "port" in settings ? settings : $.ajaxSettings ).port;
+		if ( mode === "abort" ) {
+			if ( pendingRequests[ port ] ) {
+				pendingRequests[ port ].abort();
 			}
-		});
-	};
-	$.extend($.fn, {
-		validateDelegate: function(delegate, type, handler) {
-			return this.bind(type, function(event) {
-				var target = $(event.target);
-				if (target.is(delegate)) {
-					return handler.apply(target, arguments);
-				}
-			});
+			pendingRequests[ port ] = ajax.apply( this, arguments );
+			return pendingRequests[ port ];
 		}
-	});
-})(jQuery);
+		return ajax.apply( this, arguments );
+	};
+}
+return $;

+}));
\ No newline at end of file