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
32.7M/s
getElementsByID
24.4M/s
querySelector
17.2M/s
querySelector (ID)
7.7M/s
querySelectorAll
5.0M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 32,696,758 Ops/sec
getElementsByID 24,353,200 Ops/sec
querySelector 17,245,940 Ops/sec
querySelector (ID) 7,715,456 Ops/sec
querySelectorAll 5,022,306 Ops/sec
HTML Preparation code:
Tests: