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/128.0.0.0 Safari/537.36
Chrome 128
Windows
Desktop
one year ago
getElementsByClassName
2.3M/s
getElementsByID
2.1M/s
querySelector
1.9M/s
querySelector (ID)
1.3M/s
querySelectorAll
1.0M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 2,272,388 Ops/sec
getElementsByID 2,075,953 Ops/sec
querySelector 1,930,616 Ops/sec
querySelector (ID) 1,267,302 Ops/sec
querySelectorAll 1,011,972 Ops/sec
HTML Preparation code:
Tests: