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/605.1.15 (KHTML, like Gecko) Version/15.4 Safari/605.1.15
Safari 15
Mac OS X 10.15.7
Desktop
one year ago
getElementsByID
4.6M/s
getElementsByClassName
4.4M/s
querySelector
3.8M/s
querySelector (ID)
3.6M/s
querySelectorAll
2.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 4,551,940 Ops/sec
getElementsByClassName 4,427,488 Ops/sec
querySelector 3,776,718 Ops/sec
querySelector (ID) 3,606,236 Ops/sec
querySelectorAll 2,302,158 Ops/sec
HTML Preparation code:
Tests: