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/18.3.1 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
getElementsByID
84.8M/s
getElementsByClassName
56.0M/s
querySelectorAll
19.7M/s
querySelector
10.8M/s
querySelector (ID)
8.0M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 84,845,968 Ops/sec
getElementsByClassName 55,988,552 Ops/sec
querySelectorAll 19,650,436 Ops/sec
querySelector 10,752,843 Ops/sec
querySelector (ID) 7,950,641 Ops/sec
HTML Preparation code:
Tests: