Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

getElementsByClassName

11.4M/s

querySelector

9.0M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	11,430,159 Ops/sec
querySelector	8,985,767 Ops/sec

HTML Preparation code:

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

Tests: