Run results for: searching id

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser: Firefox 147

Operating system: Windows

Device Platform: Desktop

Date tested: 6 months ago

getElementById

5.7M/s

querySelector(ID)

4.1M/s

exposed under the window object

2.2M/s

exposed global object

1.8M/s

querySelectorAll(ID)

1.8M/s

View exact numbers

Test name	Executions per second
✓ getElementById	5,675,634 Ops/sec
querySelector(ID)	4,146,978 Ops/sec
exposed under the window object	2,249,640 Ops/sec
exposed global object	1,824,971 Ops/sec
querySelectorAll(ID)	1,771,240 Ops/sec

HTML Preparation code:

<div id="helloid">hello</div>

Tests:

getElementById
var el = document.getElementById("helloid") var className = el.className;
querySelector(ID)
var el = document.querySelector("#helloid") var className = el.className;
querySelectorAll(ID)
var el = document.querySelectorAll("#helloid") var className = el[0].className;
exposed global object
var className = helloid.className;
exposed under the window object
var el = window.helloid; var className = el.className;