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/133.0.0.0 Safari/537.36
Chrome 133
Windows
Desktop
one year ago
getElementsByClassName
34.2M/s
getElementsByID
27.7M/s
querySelector
20.3M/s
querySelector (ID)
9.5M/s
querySelectorAll
6.6M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 34,223,080 Ops/sec
getElementsByID 27,663,248 Ops/sec
querySelector 20,313,122 Ops/sec
querySelector (ID) 9,450,715 Ops/sec
querySelectorAll 6,643,104 Ops/sec
HTML Preparation code:
Tests: