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@nucliweb
Forked from jelmerdemaat/gist:4107273
Last active August 29, 2015 14:10
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// JavaScript hasClass, addClass, removeClass
//source: http://www.avoid.org/?p=78
function hasClass(el, name) {
return new RegExp('(\\s|^)'+name+'(\\s|$)').test(el.className);
}
function addClass(el, name)
{
if (!hasClass(el, name)) { el.className += (el.className ? ' ' : '') +name; }
}
function removeClass(el, name)
{
if (hasClass(el, name)) {
el.className=el.className.replace(new RegExp('(\\s|^)'+name+'(\\s|$)'),' ').replace(/^\s+|\s+$/g, '');
}
}
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