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
4.3M/s
getElementsByClassName
4.3M/s
querySelector
3.8M/s
querySelector (ID)
3.6M/s
querySelectorAll
2.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 4,347,012 Ops/sec
getElementsByClassName 4,345,130 Ops/sec
querySelector 3,779,671 Ops/sec
querySelector (ID) 3,562,822 Ops/sec
querySelectorAll 2,214,628 Ops/sec
HTML Preparation code:
Tests: