Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

getElementsByClassName

12.3M/s

querySelector

4.6M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	12,316,445 Ops/sec
querySelector	4,614,523 Ops/sec

HTML Preparation code:

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

Tests: