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/17.6 Safari/605.1.15
Safari 17
Mac OS X 10.15.7
Desktop
one year ago
getElementsByID
11.3M/s
getElementsByClassName
11.0M/s
querySelectorAll
7.7M/s
querySelector
6.1M/s
querySelector (ID)
5.8M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 11,339,776 Ops/sec
getElementsByClassName 10,969,980 Ops/sec
querySelectorAll 7,713,208 Ops/sec
querySelector 6,062,060 Ops/sec
querySelector (ID) 5,765,174 Ops/sec
HTML Preparation code:
Tests: