Run results for: querySelector vs getElementByTagName

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

getElementByTagName

10.1M/s

querySelector

6.4M/s

View exact numbers

Test name	Executions per second
✓ getElementByTagName	10,102,335 Ops/sec
querySelector	6,391,636 Ops/sec

HTML Preparation code:

<div><span></span></div>

Tests: