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/18.1 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
getElementsByID
29.1M/s
getElementsByClassName
21.4M/s
querySelectorAll
7.0M/s
querySelector
4.5M/s
querySelector (ID)
3.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 29,062,502 Ops/sec
getElementsByClassName 21,380,178 Ops/sec
querySelectorAll 6,976,238 Ops/sec
querySelector 4,507,933 Ops/sec
querySelector (ID) 3,917,612 Ops/sec
HTML Preparation code:
Tests: