Run results for: querySelector vs getElementsByTagName

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

getElementsByTagName

8.0M/s

querySelector

4.6M/s

View exact numbers

Test name	Executions per second
✓ getElementsByTagName	7,955,295 Ops/sec
querySelector	4,577,796 Ops/sec

HTML Preparation code:

<div></div>

Tests: