Created
August 3, 2013 04:15
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How to get list of all of the CSS classes used in an HTML file. Source: http://stackoverflow.com/a/7540783
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var used = []; | |
var elements = null; | |
//get all elements | |
if (typeof document.getElementsByTagName != 'undefined') { | |
elements = document.getElementsByTagName('*'); | |
} | |
if (!elements || !elements.length) { | |
elements = document.all; // ie5 | |
} | |
//loop over all element | |
for (var i = 0; i < elements.length; i++){ | |
//loop over element's classes | |
var classes = elements[i].className.split(' '); | |
for (var j = 0; j < classes.length; j++) { | |
var name = classes[j]; | |
//add if not exists | |
if (name.length > 0 && used.indexOf(name) === -1) { | |
used.push(name); | |
} | |
} | |
} | |
alert(used.join(' ')); |
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