Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0

Browser: Firefox 124

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

getElementsByClassName

9.4M/s

querySelector

4.6M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	9,447,709 Ops/sec
querySelector	4,626,744 Ops/sec

HTML Preparation code:

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

Tests: