Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0
Firefox 123
Linux
Desktop
2 years ago
getElementsByID
8.9M/s
getElementsByClassName
8.9M/s
querySelector
4.7M/s
querySelector (ID)
4.7M/s
querySelectorAll
2.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 8,861,140 Ops/sec
getElementsByClassName 8,854,509 Ops/sec
querySelector 4,713,768 Ops/sec
querySelector (ID) 4,692,024 Ops/sec
querySelectorAll 2,320,035 Ops/sec
HTML Preparation code:
Tests: