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jaredwy/gist:4133447

Created November 23, 2012 00:26
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gistfile1.js
var elements = Array.prototype.slice.call(document.querySelectorAll('*')),
counts = {};
elements.forEach(function(i) {
if(!counts[i.tagName]) { counts[i.tagName] = 1 }
else { counts[i.tagName]++ }
i.id = i.tagName + counts[i.tagName]
});
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