getBoundingClientRect vs jQuery

JavaScript performance comparison

Revision 17 of this test case created by Eamon Nerbonne

Preparation code

<script src="//code.jquery.com/jquery-2.1.0.min.js">
</script>
<div id="foo" style="width:500px; height:500px; padding:10px; border:10px solid #000000;">
</div>
<script>
var sink;
</script>
<script>
Benchmark.prototype.setup = function() {
    var $foo = $('#foo');
    var foo = $foo[0];
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
getBoundingClientRect
sink=foo.getBoundingClientRect();
pending…
jQuery
sink=$foo.offset();
pending…
offsetTop
sink=foo.offsetTop;
pending…

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Revisions

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