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:128.0) Gecko/20100101 Firefox/128.0
Firefox 128
Windows
Desktop
2 years ago
getElementsByClassName
5.5M/s
getElementsByID
5.4M/s
querySelector
2.8M/s
querySelector (ID)
2.7M/s
querySelectorAll
1.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 5,480,824 Ops/sec
getElementsByID 5,361,497 Ops/sec
querySelector 2,767,538 Ops/sec
querySelector (ID) 2,741,545 Ops/sec
querySelectorAll 1,261,572 Ops/sec
HTML Preparation code:
Tests: