Run results for: querySelector vs getElementsByTagName

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

getElementsByTagName

6.4M/s

querySelector

3.3M/s

View exact numbers

Test name	Executions per second
✓ getElementsByTagName	6,439,319 Ops/sec
querySelector	3,289,777 Ops/sec

HTML Preparation code:

<div></div>

Tests: