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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Firefox 138
Windows
Desktop
one year ago
getElementsByClassName
16.5M/s
getElementsByID
16.5M/s
querySelector (ID)
9.8M/s
querySelector
9.8M/s
querySelectorAll
4.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 16,498,908 Ops/sec
getElementsByID 16,496,318 Ops/sec
querySelector (ID) 9,847,733 Ops/sec
querySelector 9,799,117 Ops/sec
querySelectorAll 4,887,887 Ops/sec
HTML Preparation code:
Tests: