Jquery dom selector or id selector

JavaScript performance comparison

Test case created by Martijn

Info

The use of jquery id selector, and homemade simple one. They both return a jquery object.

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="mydiv"></div>
<script>
Benchmark.prototype.setup = function() {
    function S(id){
        return $(document.getElementById(id));
    }
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jquery selector
$('#mydiv')
pending…
html dom selector
S('mydiv')
pending…

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