Run results for: querySelector vs getElementById & getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

query selector

3.7M/s

id & class

3.3M/s

View exact numbers

Test name	Executions per second
✓ query selector	3,682,076 Ops/sec
id & class	3,265,348 Ops/sec

HTML Preparation code:

<div id = "test"><div class="test"></div></div>

Tests: