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/120.0.0.0 Safari/537.36
Chrome 120
Windows
Desktop
2 years ago
getElementsByID
2.9M/s
getElementsByClassName
2.7M/s
querySelector
2.0M/s
querySelector (ID)
1.3M/s
querySelectorAll
968K/s
View exact numbers
Test name Executions per second
✓ getElementsByID 2,942,272 Ops/sec
getElementsByClassName 2,695,581 Ops/sec
querySelector 2,009,514 Ops/sec
querySelector (ID) 1,317,063 Ops/sec
querySelectorAll 967,775 Ops/sec
HTML Preparation code:
Tests: