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

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

getElementsByClassName

7.4M/s

querySelector

5.8M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	7,361,394 Ops/sec
querySelector	5,828,580 Ops/sec

HTML Preparation code:

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

Tests: