Run results for: getElementById vs querySelector 2025 year version

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:146.0) Gecko/20100101 Firefox/146.0

Browser: Firefox 146

Operating system: Linux

Device Platform: Desktop

Date tested: 7 months ago

getElementById

12.5M/s

querySelector

5.8M/s

View exact numbers

Test name	Executions per second
✓ getElementById	12,545,772 Ops/sec
querySelector	5,753,392 Ops/sec

HTML Preparation code:

<div id="testElement"></div>

Tests: