Run results for: getElementById vs querySelector 2025 year version

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:143.0) Gecko/20100101 Firefox/143.0

Browser: Firefox 143

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 9 months ago

getElementById

11.0M/s

querySelector

5.9M/s

View exact numbers

Test name	Executions per second
✓ getElementById	10,955,831 Ops/sec
querySelector	5,917,392 Ops/sec

HTML Preparation code:

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

Tests: