dataset vs setAttribute

JavaScript performance comparison

Revision 3 of this test case created

Preparation code

<div id="foo"></div>
<script>
Benchmark.prototype.setup = function() {
    var foo = document.getElementById('foo');
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
dataset
foo.dataset.foo = 'bar';
pending…
setAttribute
foo.setAttribute('data-foo', 'bar');
pending…
setattr class
foo.setAttribute('class', 'bar');
pending…
Classname
foo.className='bar';
pending…

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