$.extend( $.fn, {	// https://jqueryvalidation.org/validate/	validate: function( options ) {		// 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" );		if ( validator ) {			return validator;		}		// Add novalidate tag if HTML5.		this.attr( "novalidate", "novalidate" );		validator = new $.validator( options, this[ 0 ] );		$.data( this[ 0 ], "validator", validator );		if ( validator.settings.onsubmit ) {			this.on( "click.validate", ":submit", function( event ) {				// Track the used submit button to properly handle scripted				// submits later.				validator.submitButton = event.currentTarget;				// 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.on( "submit.validate", function( event ) {				if ( validator.settings.debug ) {					// Prevent form submit to be able to see console output					event.preventDefault();				}				function handle() {					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				if ( validator.cancelSubmit ) {					validator.cancelSubmit = false;					return handle();				}				if ( validator.form() ) {					if ( validator.pendingRequest ) {						validator.formSubmitted = true;						return false;					}					return handle();				} else {					validator.focusInvalid();					return false;				}			} );		}		return validator;	},	// https://jqueryvalidation.org/valid/	valid: function() {		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;	},	// 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 ) );				// 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 ];					return existingRules;				}				filtered = {};				$.each( argument.split( /\s/ ), function( index, method ) {					filtered[ method ] = existingRules[ method ];					delete existingRules[ method ];				} );				return filtered;			}		}		data = $.validator.normalizeRules(		$.extend(			{},			$.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 );		}		// Make sure remote is at back		if ( data.remote ) {			param = data.remote;			delete data.remote;			data = $.extend( data, { remote: param } );		}		return data;	}} );// JQuery trim is deprecated, provide a trim method based on String.prototype.trimvar trim = function( str ) {	// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/trim#Polyfill	return str.replace( /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, "" );};// Custom selectors$.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, {}, $.validator.defaults, options );	this.currentForm = form;	this.init();};// https://jqueryvalidation.org/jQuery.validator.format/$.validator.format = function( source, params ) {	if ( arguments.length === 1 ) {		return function() {			var args = $.makeArray( arguments );			args.unshift( source );			return $.validator.format.apply( this, args );		};	}	if ( params === undefined ) {		return source;	}	if ( arguments.length > 2 && params.constructor !== Array  ) {		params = $.makeArray( arguments ).slice( 1 );	}	if ( params.constructor !== Array ) {		params = [ params ];	}	$.each( params, function( i, n ) {		source = source.replace( new RegExp( "\\{" + i + "\\}", "g" ), function() {			return n;		} );	} );	return source;};$.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 ) {			this.lastActive = element;			// 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 ) {			if ( !this.checkable( element ) && ( element.name in this.submitted || !this.optional( element ) ) ) {				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 ) {			// 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 );			} else {				$( element ).addClass( errorClass ).removeClass( validClass );			}		},		unhighlight: function( element, errorClass, validClass ) {			if ( element.type === "radio" ) {				this.findByName( element.name ).removeClass( errorClass ).addClass( validClass );			} else {				$( element ).removeClass( errorClass ).addClass( validClass );			}		}	},	// https://jqueryvalidation.org/jQuery.validator.setDefaults/	setDefaults: function( settings ) {		$.extend( $.validator.defaults, settings );	},	messages: {		required: "This field is required.",		remote: "Please fix this field.",		email: "Please enter a valid email address.",		url: "Please enter a valid URL.",		date: "Please enter a valid date.",		dateISO: "Please enter a valid date (ISO).",		number: "Please enter a valid number.",		digits: "Please enter only digits.",		equalTo: "Please enter the same value again.",		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,	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.submitted = {};			this.valueCache = {};			this.pendingRequest = 0;			this.pending = {};			this.invalid = {};			this.reset();			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 ] );			}			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 ] );			}			return this.valid();		},		// https://jqueryvalidation.org/Validator.element/		element: function( element ) {			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.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 );			}			return result;		},		// 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 = $.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();			}		},		// https://jqueryvalidation.org/Validator.resetForm/		resetForm: function() {			if ( $.fn.resetForm ) {				$( this.currentForm ).resetForm();			}			this.invalid = {};			this.submitted = {};			this.prepareForm();			this.hideErrors();			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 );		},		objectLength: function( obj ) {			/* 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.hideThese( this.toHide );		},		hideThese: function( errors ) {			errors.not( this.containers ).text( "" );			this.addWrapper( errors ).hide();		},		valid: function() {			return this.size() === 0;		},		size: function() {			return this.errorList.length;		},		focusInvalid: function() {			if ( this.settings.focusInvalid ) {				try {					$( 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;		},		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, [contenteditable]" )			.not( ":submit, :reset, :image, :disabled" )			.not( this.settings.ignore )			.filter( function() {				var name = this.name || $( this ).attr( "name" ); // For contenteditable				var isContentEditable = typeof $( this ).attr( "contenteditable" ) !== "undefined" && $( this ).attr( "contenteditable" ) !== "false";				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;				}				// 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 ];		},		errors: function() {			var errorClass = this.settings.errorClass.split( " " ).join( "." );			return $( this.settings.errorElement + "." + errorClass, this.errorContext );		},		resetInternals: function() {			this.successList = [];			this.errorList = [];			this.errorMap = {};			this.toShow = $( [] );			this.toHide = $( [] );		},		reset: function() {			this.resetInternals();			this.currentElements = $( [] );		},		prepareForm: function() {			this.reset();			this.toHide = this.errors().add( this.containers );		},		prepareElement: function( element ) {			this.reset();			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(),				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 {					result = $.validator.methods[ method ].call( this, val, element, rule.parameters );					// 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" && rulesCount === 1 ) {						dependencyMismatch = true;						continue;					}					dependencyMismatch = false;					if ( result === "pending" ) {						this.toHide = this.toHide.not( this.errorsFor( element ) );						return;					}					if ( !result ) {						this.formatAndAdd( element, rule );						return false;					}				} 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 ) {				return;			}			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 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		customMessage: function( name, method ) {			var m = this.settings.messages[ name ];			return m && ( m.constructor === String ? m : m[ method ] );		},		// 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 ];				}			}			return undefined;		},		// 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 };			}			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 = $.validator.format( message.replace( theregex, "{$1}" ), rule.parameters );			}			return message;		},		formatAndAdd: function( element, rule ) {			var message = this.defaultMessage( element, rule );			this.errorList.push( {				message: message,				element: element,				method: rule.method			} );			this.errorMap[ element.name ] = message;			this.submitted[ element.name ] = message;		},		addWrapper: function( toToggle ) {			if ( this.settings.wrapper ) {				toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );			}			return toToggle;		},		defaultShowErrors: function() {			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 ) {				this.toShow = this.toShow.add( this.containers );			}			if ( this.settings.success ) {				for ( i = 0; this.successList[ i ]; i++ ) {					this.showLabel( this.successList[ i ] );				}			}			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 );			this.hideErrors();			this.addWrapper( this.toShow ).show();		},		validElements: function() {			return this.currentElements.not( this.invalidElements() );		},		invalidElements: function() {			return $( this.errorList ).map( function() {				return this.element;			} );		},		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 ) {				// Refresh error/success class				error.removeClass( this.settings.validClass ).addClass( this.settings.errorClass );				// Replace message on existing label				error.html( message );			} else {				// 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					// actually showing the wrapped element is handled elsewhere					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 ( !message && this.settings.success ) {				error.text( "" );				if ( typeof this.settings.success === "string" ) {					error.addClass( this.settings.success );				} else {					this.settings.success( error, element );				}			}			this.toShow = this.toShow.add( error );		},		errorsFor: function( element ) {			var name = this.escapeCssMeta( this.idOrName( element ) ),				describer = $( element ).attr( "aria-describedby" ),				selector = "label[for='" + name + "'], label[for='" + name + "'] *";			// 'aria-describedby' should directly reference the error element			if ( describer ) {				selector = selector + ", #" + this.escapeCssMeta( describer )					.replace( /\s+/g, ", #" );			}			return this				.errors()				.filter( selector );		},		// See https://api.jquery.com/category/selectors/, for CSS		// meta-characters that should be escaped in order to be used with JQuery		// as a literal part of a name/id or any selector.		escapeCssMeta: function( string ) {			return string.replace( /([\\!"#$%&'()*+,./:;<=>?@\[\]^`{|}~])/g, "\\$1" );		},		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 );			}			// Always apply ignore filter			return $( element ).not( this.settings.ignore )[ 0 ];		},		checkable: function( element ) {			return ( /radio|checkbox/i ).test( element.type );		},		findByName: function( name ) {			return $( this.currentForm ).find( "[name='" + this.escapeCssMeta( name ) + "']" );		},		getLength: function( value, element ) {			switch ( element.nodeName.toLowerCase() ) {			case "select":				return $( "option:selected", element ).length;			case "input":				if ( this.checkable( element ) ) {					return this.findByName( element.name ).filter( ":checked" ).length;				}			}			return value.length;		},		depend: function( param, element ) {			return this.dependTypes[ typeof param ] ? this.dependTypes[ typeof param ]( param, element ) : true;		},		dependTypes: {			"boolean": function( param ) {				return param;			},			"string": function( param, element ) {				return !!$( param, element.form ).length;			},			"function": function( param, element ) {				return param( element );			}		},		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 ] ) {				this.pendingRequest++;				$( element ).addClass( this.settings.pendingClass );				this.pending[ element.name ] = true;			}		},		stopRequest: function( element, valid ) {			this.pendingRequest--;			// Sometimes synchronization fails, make sure pendingRequest is never < 0			if ( this.pendingRequest < 0 ) {				this.pendingRequest = 0;			}			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 ] );				this.formSubmitted = false;			}		},		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, { 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 },		number: { number: true },		digits: { digits: true },		creditcard: { creditcard: true }	},	addClassRules: function( className, rules ) {		if ( className.constructor === String ) {			this.classRuleSettings[ className ] = rules;		} else {			$.extend( this.classRuleSettings, className );		}	},	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;	},	normalizeAttributeRule: function( rules, type, method, value ) {		// 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 || 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 ) ) {			delete rules.maxlength;		}		return rules;	},	dataRules: function( element ) {		var rules = {},			$element = $( element ),			type = element.getAttribute( "type" ),			method, value;		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 = {},			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		$.each( rules, function( prop, val ) {			// Ignore rule when param is explicitly false, eg. required:false			if ( val === false ) {				delete rules[ prop ];				return;			}			if ( val.param || val.depends ) {				var keepRule = true;				switch ( typeof val.depends ) {				case "string":					keepRule = !!$( val.depends, element.form ).length;					break;				case "function":					keepRule = val.depends.call( element, element );					break;				}				if ( keepRule ) {					rules[ prop ] = val.param !== undefined ? val.param : true;				} else {					$.data( element.form, "validator" ).resetElements( $( element ) );					delete rules[ prop ];				}			}		} );		// Evaluate parameters		$.each( rules, function( rule, parameter ) {			rules[ rule ] = typeof parameter === "function" && rule !== "normalizer" ? parameter( element ) : parameter;		} );		// Clean number parameters		$.each( [ "minlength", "maxlength" ], function() {			if ( rules[ this ] ) {				rules[ this ] = Number( rules[ this ] );			}		} );		$.each( [ "rangelength", "range" ], function() {			var parts;			if ( rules[ this ] ) {				if ( Array.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 != null && rules.max != null ) {				rules.range = [ rules.min, rules.max ];				delete rules.min;				delete rules.max;			}			if ( rules.minlength != null && rules.maxlength != null ) {				rules.rangelength = [ rules.minlength, rules.maxlength ];				delete rules.minlength;				delete rules.maxlength;			}		}		return rules;	},	// Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}	normalizeRule: function( data ) {		if ( typeof data === "string" ) {			var transformed = {};			$.each( data.split( /\s/ ), function() {				transformed[ this ] = true;			} );			data = transformed;		}		return data;	},	// 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: {		// https://jqueryvalidation.org/required-method/		required: function( value, element, param ) {			// Check if dependency is met			if ( !this.depend( param, element ) ) {				return "dependency-mismatch";			}			if ( element.nodeName.toLowerCase() === "select" ) {				// Could be an array for select-multiple or a string, both are fine this way				var val = $( element ).val();				return val && val.length > 0;			}			if ( this.checkable( element ) ) {				return this.getLength( value, element ) > 0;			}			return value !== undefined && value !== null && value.length > 0;		},		// https://jqueryvalidation.org/email-method/		email: function( value, element ) {			// From https://html.spec.whatwg.org/multipage/forms.html#valid-e-mail-address			// Retrieved 2014-01-14			// If you have a problem with this implementation, report a bug against the above spec			// Or use custom methods to implement your own email validation			return this.optional( element ) || /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[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])?)*$/.test( value );		},		// https://jqueryvalidation.org/url-method/		url: function( value, element ) {			// Copyright (c) 2010-2013 Diego Perini, MIT licensed			// https://gist.github.com/dperini/729294			// see also https://mathiasbynens.be/demo/url-regex			// modified to allow protocol-relative URLs			return this.optional( element ) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z0-9\u00a1-\uffff][a-z0-9\u00a1-\uffff_-]{0,62})?[a-z0-9\u00a1-\uffff]\.)+(?:[a-z\u00a1-\uffff]{2,}\.?))(?::\d{2,5})?(?:[/?#]\S*)?$/i.test( value );		},		// 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`."						);					}				}				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])$/.test( value );		},		// https://jqueryvalidation.org/number-method/		number: function( value, element ) {			return this.optional( element ) || /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test( value );		},		// https://jqueryvalidation.org/digits-method/		digits: function( value, element ) {			return this.optional( element ) || /^\d+$/.test( value );		},		// https://jqueryvalidation.org/minlength-method/		minlength: function( value, element, param ) {			var length = Array.isArray( value ) ? value.length : this.getLength( value, element );			return this.optional( element ) || length >= param;		},		// https://jqueryvalidation.org/maxlength-method/		maxlength: function( value, element, param ) {			var length = Array.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 = Array.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;		},		// https://jqueryvalidation.org/max-method/		max: function( value, element, param ) {			return this.optional( element ) || value <= param;		},		// https://jqueryvalidation.org/range-method/		range: function( value, element, param ) {			return this.optional( element ) || ( value >= param[ 0 ] && value <= param[ 1 ] );		},		// 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;					}					// 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;			// 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 );			}			decimals = decimalPlaces( param );			// Value can't have too many decimals			if ( decimalPlaces( value ) > decimals || toInt( value ) % toInt( param ) !== 0 ) {				valid = false;			}			return this.optional( element ) || valid;		},		// 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();		},		// https://jqueryvalidation.org/remote-method/		remote: function( value, element, param, method ) {			if ( this.optional( element ) ) {				return "dependency-mismatch";			}			method = typeof method === "string" && method || "remote";			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;			}			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;					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";		}	}} );