Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0

Browser: Firefox 130

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

getElementsByClassName

7.0M/s

querySelector

3.7M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	7,013,686 Ops/sec
querySelector	3,692,408 Ops/sec

HTML Preparation code:

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

Tests: