Run results for: getElementById vs querySelector 2025 year version

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0

Browser: Firefox 142

Operating system: Linux

Device Platform: Desktop

Date tested: 10 months ago

getElementById

6.1M/s

querySelector

3.0M/s

View exact numbers

Test name	Executions per second
✓ getElementById	6,073,216 Ops/sec
querySelector	3,024,576 Ops/sec

HTML Preparation code:

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

Tests: