Run results for: querySelector vs getElementById

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

getElementById

10.7M/s

querySelector

2.8M/s

View exact numbers

Test name	Executions per second
✓ getElementById	10,687,598 Ops/sec
querySelector	2,770,892 Ops/sec

HTML Preparation code:

<div id="test"></div>

Tests: