Run results for: querySelectorAll vs. getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 141

Operating system: Android

Device Platform: Mobile

Date tested: 9 months ago

Benchmark engine: Benchmark.js

getElementsByClassName

6.7M/s

querySelectorAll

1.1M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	6,706,273 Ops/sec
querySelectorAll	1,122,110 Ops/sec

HTML Preparation code:

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

Tests: