getElementById vs. querySelector (v116)

Revision 116 of this benchmark created on

Description

Compare the speed of getElementById, querySelector and querySelectorAll

Preparation HTML

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

Setup

var $ = document.querySelectorAll;

Test runner

Ready to run.

Testing in
TestOps/sec
getElementById
var bar = document.getElementById('bar');
ready
querySelector
var bar = document.querySelector('#bar');
ready
querySelectorAll
var bar = document.querySelectorAll('#bar');
ready
mapping querySelectorAll
var bar = $('#bar');
ready

Revisions

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