Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

getElementsByClassName

5.3M/s

querySelector

4.4M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	5,314,532 Ops/sec
querySelector	4,407,631 Ops/sec

HTML Preparation code:

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

Tests: