getElementById vs. querySelector

JavaScript performance comparison

Revision 278 of this test case created by Rich Harris

Preparation code

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

Preparation code output

<p id="foo" foo>Foo</p> <p id="bar" bar>Bar</p> <p id="baz" 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
querySelector('[bar]')
var bar = document.querySelector("[bar]");
pending…

Revisions

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Foo

Bar

Baz