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: 28 days ago

getElementsByClassName

6.1M/s

querySelector

3.3M/s

View exact numbers

Test name	Executions per second
✓ getElementsByClassName	6,090,387 Ops/sec
querySelector	3,318,362 Ops/sec

HTML Preparation code:

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

Tests: