Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Chrome OS 14541.0.0

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

getElementsByClassName

8.5M/s

querySelector

6.9M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	8,490,356 Ops/sec
querySelector	6,945,901 Ops/sec

HTML Preparation code:

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

Tests: