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elmahdim/toggleClass.js

Created December 30, 2015 13:51
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vanilla javascript toggleClass
Raw
toggleClass.js
function toggleClass(element, className) {
if (!element || !className) { return; }
var classString = element.className, nameIndex = classString.indexOf(className);
if (nameIndex == -1) {
classString += (classString.length) ? ' ' + className : className;
} else {
classString = classString.replace(' '+className, '');
classString = classString.replace(className, '');
}
element.className = classString;
}
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