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
21.7M/s
getElementsByID
16.7M/s
querySelector
14.2M/s
querySelector (ID)
4.9M/s
querySelectorAll
4.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 21,687,422 Ops/sec
getElementsByID 16,702,475 Ops/sec
querySelector 14,202,586 Ops/sec
querySelector (ID) 4,937,306 Ops/sec
querySelectorAll 4,258,418 Ops/sec
HTML Preparation code:
Tests: