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/123.0.0.0 Safari/537.36
Chrome 123
Windows
Desktop
2 years ago
getElementsByClassName
3.1M/s
getElementsByID
2.7M/s
querySelector
2.4M/s
querySelector (ID)
1.7M/s
querySelectorAll
1.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 3,095,144 Ops/sec
getElementsByID 2,686,122 Ops/sec
querySelector 2,422,342 Ops/sec
querySelector (ID) 1,678,459 Ops/sec
querySelectorAll 1,228,908 Ops/sec
HTML Preparation code:
Tests: