Run results for: querySelector vs getElementsByTagName

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

getElementsByTagName

15.6M/s

querySelector

8.7M/s

View exact numbers

Test name	Executions per second
✓ getElementsByTagName	15,576,827 Ops/sec
querySelector	8,670,915 Ops/sec

HTML Preparation code:

<div></div>

Tests: