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
13.8M/s
getElementsByID
13.1M/s
querySelector
10.9M/s
querySelector (ID)
4.9M/s
querySelectorAll
3.5M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 13,812,896 Ops/sec
getElementsByID 13,050,866 Ops/sec
querySelector 10,850,342 Ops/sec
querySelector (ID) 4,861,658 Ops/sec
querySelectorAll 3,478,824 Ops/sec
HTML Preparation code:
Tests: