Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Mac OS X 10.15.7
Desktop
one year ago
getElementsByClassName
27.9M/s
getElementsByID
23.5M/s
querySelector
18.0M/s
querySelector (ID)
9.3M/s
querySelectorAll
5.7M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 27,915,254 Ops/sec
getElementsByID 23,491,280 Ops/sec
querySelector 17,989,996 Ops/sec
querySelector (ID) 9,265,584 Ops/sec
querySelectorAll 5,702,131 Ops/sec
HTML Preparation code:
Tests: