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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Windows
Desktop
one year ago
getElementsByClassName
14.1M/s
getElementsByID
13.5M/s
querySelector
10.8M/s
querySelector (ID)
4.6M/s
querySelectorAll
3.0M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 14,121,073 Ops/sec
getElementsByID 13,497,222 Ops/sec
querySelector 10,752,392 Ops/sec
querySelector (ID) 4,571,322 Ops/sec
querySelectorAll 3,003,468 Ops/sec
HTML Preparation code:
Tests: