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https://github.com/jquery/jquery-ui.git
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70 lines
1.7 KiB
JavaScript
70 lines
1.7 KiB
JavaScript
/*!
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* jQuery UI Labels @VERSION
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* http://jqueryui.com
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*
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* Copyright jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*/
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//>>label: labels
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//>>group: Core
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//>>description: Find all the labels associated with a given input
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//>>docs: http://api.jqueryui.com/labels/
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( function( factory ) {
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"use strict";
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define( [ "jquery", "./version" ], factory );
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} else {
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// Browser globals
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factory( jQuery );
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}
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} )( function( $ ) {
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"use strict";
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return $.fn.labels = function() {
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var ancestor, selector, id, labels, ancestors;
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if ( !this.length ) {
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return this.pushStack( [] );
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}
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// Check control.labels first
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if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
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return this.pushStack( this[ 0 ].labels );
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}
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// Support: IE <= 11, FF <= 37, Android <= 2.3 only
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// Above browsers do not support control.labels. Everything below is to support them
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// as well as document fragments. control.labels does not work on document fragments
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labels = this.eq( 0 ).parents( "label" );
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// Look for the label based on the id
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id = this.attr( "id" );
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if ( id ) {
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// We don't search against the document in case the element
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// is disconnected from the DOM
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ancestor = this.eq( 0 ).parents().last();
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// Get a full set of top level ancestors
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ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );
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// Create a selector for the label based on the id
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selector = "label[for='" + $.escapeSelector( id ) + "']";
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labels = labels.add( ancestors.find( selector ).addBack( selector ) );
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}
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// Return whatever we have found for labels
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return this.pushStack( labels );
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};
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} );
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