getElementById vs. querySelector

JavaScript performance comparison

Revision 99 of this test case created by

Preparation code

<p id="foo">
    <p id="bar">Bar</p>
</p>
      
<script>
Benchmark.prototype.setup = function() {
  var foo = document.getElementById("foo");

};
</script>

Preparation code output

<p id="foo"> <p id="bar">Bar</p> </p>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
getElementById
var bar = document.getElementById("bar");
pending…
querySelector
var bar = foo.querySelector("#bar");
pending…

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Revisions

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