getElementById vs. querySelector

JavaScript performance comparison

Revision 321 of this test case created by

Preparation code

<p id="foo">
  Foo
</p>
<p id="bar">
  Bar
</p>
<p id="baz">
  Baz
</p>
    

Preparation code output

<p id="foo"> Foo </p> <p id="bar"> Bar </p> <p id="baz"> Baz </p>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
getElementById or queryselector
var selector = "#bar",
    func = selector.match('^#[A-z0-9-]*$') ? "getElementById" : "querySelector",
    bar = document[func]("bar");
pending…

Revisions

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0 Comments

Foo

Bar

Baz