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/131.0.0.0 Safari/537.36
Chrome 131
Linux
Desktop
one year ago
getElementsByClassName
9.5M/s
getElementsByID
7.9M/s
querySelector
7.0M/s
querySelector (ID)
3.4M/s
querySelectorAll
2.0M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 9,452,745 Ops/sec
getElementsByID 7,881,062 Ops/sec
querySelector 6,976,664 Ops/sec
querySelector (ID) 3,424,680 Ops/sec
querySelectorAll 2,026,172 Ops/sec
HTML Preparation code:
Tests: