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Adding toggleClass
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/*global jQuery */ | |
;(function($) { | |
/*global document */ | |
"use strict"; | |
if (typeof document !== 'undefined' && ('classList' in document.createElement('a'))) { | |
var $ = jQuery; | |
var _addClass = $.fn.addClass; | |
var _removeClass = $.fn.removeClass; | |
var _toggleClass = $.fn.toggleClass; | |
$.fn.hasClass = function(selector) { | |
var elem, i, l; | |
for (i = 0, l = this.length ; i < l; ++i) { | |
elem = this[i]; | |
if (elem.nodeType === 1 && elem.classList.contains(selector)) { | |
return true; | |
} | |
} | |
return false; | |
}; | |
$.fn.addClass = function(value) { | |
var elem, i, l; | |
if (typeof value === 'string' && value && value.indexOf(' ') < 0) { | |
for (i = 0, l = this.length ; i < l; ++i) { | |
elem = this[i]; | |
if (elem.nodeType === 1) { | |
elem.classList.add(value); | |
} | |
} | |
} else { | |
_addClass.apply(this, arguments); | |
} | |
return this; | |
}; | |
$.fn.removeClass = function(value) { | |
var elem, i, l; | |
if (typeof value === 'string' && value && value.indexOf(' ') < 0) { | |
for (i = 0, l = this.length ; i < l; ++i) { | |
elem = this[i]; | |
if (elem.nodeType === 1) { | |
elem.classList.remove(value); | |
} | |
} | |
} else { | |
_removeClass.apply(this, arguments); | |
} | |
return this; | |
}; | |
$.fn.toggleClass = function(value, stateVal) { | |
var elem, i, l; | |
var isBool = typeof stateVal === "boolean"; | |
if (typeof value === 'string' && value && value.indexOf(' ') < 0) { | |
for (i = 0, l = this.length ; i < l; ++i) { | |
elem = this[i]; | |
if (elem.nodeType === 1) { | |
if (isBool && stateVal) { | |
elem.classList.add(value); | |
} else if (isBool && !stateVal) { | |
elem.classList.remove(value); | |
} else { | |
elem.classList.toggle(value); | |
} | |
} | |
} | |
} else { | |
_toggleClass.apply(this, arguments); | |
} | |
return this; | |
}; | |
} | |
})(jQuery); |
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