Run results for: querySelector vs getElementsByClassName

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

getElementsByClassName

15.2M/s

querySelector

10.1M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	15,194,244 Ops/sec
querySelector	10,090,623 Ops/sec

HTML Preparation code:

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

Tests: