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- ( function( window ) {
- 'use strict';
- function classReg( className ) {
- return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
- }
- var hasClass, addClass, removeClass;
- if ( 'classList' in document.documentElement ) {
- hasClass = function( elem, c ) {
- return elem.classList.contains( c );
- };
- addClass = function( elem, c ) {
- elem.classList.add( c );
- };
- removeClass = function( elem, c ) {
- elem.classList.remove( c );
- };
- }
- else {
- hasClass = function( elem, c ) {
- return classReg( c ).test( elem.className );
- };
- addClass = function( elem, c ) {
- if ( !hasClass( elem, c ) ) {
- elem.className = elem.className + ' ' + c;
- }
- };
- removeClass = function( elem, c ) {
- elem.className = elem.className.replace( classReg( c ), ' ' );
- };
- }
- function toggleClass( elem, c ) {
- var fn = hasClass( elem, c ) ? removeClass : addClass;
- fn( elem, c );
- }
- var classie = {
-
- hasClass: hasClass,
- addClass: addClass,
- removeClass: removeClass,
- toggleClass: toggleClass,
-
- has: hasClass,
- add: addClass,
- remove: removeClass,
- toggle: toggleClass
- };
- if ( typeof define === 'function' && define.amd ) {
-
- define( classie );
- } else {
-
- window.classie = classie;
- }
- })( window );
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