getElementById vs. querySelector (v230)

Revision 230 of this benchmark created on

Preparation HTML

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

Test runner

Ready to run.

Testing in
TestOps/sec
getElementById
var bar = document.getElementById("bar");
ready
querySelector
var bar = document.querySelector("#bar");
ready
getElementById - Child
var el = document.getElementById("content");
el.querySelector('p');
ready
querySelector - Child
var el = document.querySelector("#content p");
ready

Revisions

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