Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0
Firefox 131
Windows
Desktop
one year ago
getElementsByID
6.4M/s
getElementsByClassName
5.4M/s
querySelector (ID)
3.5M/s
querySelector
2.7M/s
querySelectorAll
1.5M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 6,417,429 Ops/sec
getElementsByClassName 5,386,322 Ops/sec
querySelector (ID) 3,497,448 Ops/sec
querySelector 2,730,083 Ops/sec
querySelectorAll 1,521,452 Ops/sec
HTML Preparation code:
Tests: