Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

querySelector

3.1M/s

getElementsByClassName

3.0M/s

View exact numbers

Test name	Executions per second
✓ querySelector	3,096,942 Ops/sec
getElementsByClassName	2,962,848 Ops/sec

HTML Preparation code:

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

Tests: