Run results for: querySelector vs getElementsByClassName on multiple elements

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser: Chrome 138

Operating system: Windows

Device Platform: Desktop

Date tested: 2 months ago

getElementsByClassName

29.3M/s

querySelector

24.4M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	29,256,428 Ops/sec
querySelector	24,436,674 Ops/sec

HTML Preparation code:

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

Tests: