Run results for: querySelector vs getElementsByClassName()[0]

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

query

7.4M/s

get

4.9M/s

View exact numbers

Test name	Executions per second
✓ query	7,409,241 Ops/sec
get	4,948,904 Ops/sec

HTML Preparation code:

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

Tests: