Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:145.0) Gecko/20100101 Firefox/145.0

Browser: Firefox 145

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 10 months ago

Benchmark engine: Benchmark.js

getElementsByClassName

7.1M/s

querySelector

4.3M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	7,097,863 Ops/sec
querySelector	4,276,726 Ops/sec

HTML Preparation code:

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

Tests: