getElementById vs. querySelector

JavaScript performance comparison

Revision 159 of this test case created by test

Preparation code

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

Preparation code output

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

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

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Revisions

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1 Comment

Thiago Negri commented :

The labels are incorrect. This test will cause a lot of confusion.

Foo

Bar

Baz