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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121
Windows
Desktop
2 years ago
getElementsByID
7.7M/s
querySelector
6.3M/s
querySelector (ID)
4.5M/s
getElementsByClassName
4.5M/s
querySelectorAll
1.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 7,711,158 Ops/sec
querySelector 6,278,116 Ops/sec
querySelector (ID) 4,485,368 Ops/sec
getElementsByClassName 4,481,154 Ops/sec
querySelectorAll 1,867,968 Ops/sec
HTML Preparation code:
Tests: