https://www.nctv17.org/wp-content/themes/nctv17/library/js/classie.js?ver=-b-modified-1719446092

1/*!
2 * classie - class helper functions
3 * from bonzo https://github.com/ded/bonzo
4 * 
5 * classie.has( elem, 'my-class' ) -> true/false
6 * classie.add( elem, 'my-new-class' )
7 * classie.remove( elem, 'my-unwanted-class' )
8 * classie.toggle( elem, 'my-class' )
9 */
10
11/*jshint browser: true, strict: true, undef: true */
12
13( function( window ) {
14
15'use strict';
16
17// class helper functions from bonzo https://github.com/ded/bonzo
18
19function classReg( className ) {
20  return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
21}
22
23// classList support for class management
24// altho to be fair, the api sucks because it won't accept multiple classes at once
25var hasClass, addClass, removeClass;
26
27if ( 'classList' in document.documentElement ) {
28  hasClass = function( elem, c ) {
29    return elem.classList.contains( c );
30  };
31  addClass = function( elem, c ) {
32    elem.classList.add( c );
33  };
34  removeClass = function( elem, c ) {
35    elem.classList.remove( c );
36  };
37}
38else {
39  hasClass = function( elem, c ) {
40    return classReg( c ).test( elem.className );
41  };
42  addClass = function( elem, c ) {
43    if ( !hasClass( elem, c ) ) {
44      elem.className = elem.className + ' ' + c;
45    }
46  };
47  removeClass = function( elem, c ) {
48    elem.className = elem.className.replace( classReg( c ), ' ' );
49  };
50}
51
52function toggleClass( elem, c ) {
53  var fn = hasClass( elem, c ) ? removeClass : addClass;
54  fn( elem, c );
55}
56
57window.classie = {
58  // full names
59  hasClass: hasClass,
60  addClass: addClass,
61  removeClass: removeClass,
62  toggleClass: toggleClass,
63  // short names
64  has: hasClass,
65  add: addClass,
66  remove: removeClass,
67  toggle: toggleClass
68};
69
70})( window );