Run results for: querySelector vs getElementsByClassName on multiple elements

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:152.0) Gecko/20100101 Firefox/152.0

Browser: Firefox 152

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

getElementsByClassName

13.4M/s

querySelector

8.0M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	13,367,320 Ops/sec
querySelector	7,993,050 Ops/sec

HTML Preparation code:

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

Tests: