Run results for: queryselector vs getelementbyid multiple id

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

getelementbyid

8.1M/s

queryselector

4.6M/s

View exact numbers

Test name	Executions per second
✓ getelementbyid	8,136,303 Ops/sec
queryselector	4,589,852 Ops/sec

HTML Preparation code:

<div id="testElement"></div>
<div id="testElementTwo"></div>
<div id="testElementThree"></div>
<div id="testElementFour"></div>
<div id="testElementFive"></div>

Tests:

queryselector
var el = document.querySelector('#testElement'); var className = el.className;
getelementbyid
var el = document.getElementById('testElementFive'); var className = el.className;