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/127.0.0.0 Safari/537.36
Chrome 127
Windows
Desktop
one year ago
getElementsByClassName
7.2M/s
getElementsByID
7.0M/s
querySelector
5.5M/s
querySelector (ID)
3.9M/s
querySelectorAll
2.8M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 7,248,478 Ops/sec
getElementsByID 6,957,908 Ops/sec
querySelector 5,524,293 Ops/sec
querySelector (ID) 3,939,951 Ops/sec
querySelectorAll 2,823,242 Ops/sec
HTML Preparation code:
Tests: