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

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Chrome 132
Linux
Desktop
one year ago
getElementsByClassName
20.0M/s
getElementsByID
19.6M/s
querySelector
14.4M/s
querySelector (ID)
7.6M/s
querySelectorAll
4.4M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 20,038,334 Ops/sec
getElementsByID 19,569,506 Ops/sec
querySelector 14,373,323 Ops/sec
querySelector (ID) 7,622,672 Ops/sec
querySelectorAll 4,418,014 Ops/sec
HTML Preparation code:
Tests: