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/139.0.0.0 Safari/537.36
Chrome 139
Windows
Desktop
one year ago
getElementsByClassName
17.6M/s
getElementsByID
16.1M/s
querySelector
13.8M/s
querySelector (ID)
5.8M/s
querySelectorAll
4.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 17,625,586 Ops/sec
getElementsByID 16,093,192 Ops/sec
querySelector 13,782,013 Ops/sec
querySelector (ID) 5,847,914 Ops/sec
querySelectorAll 4,307,889 Ops/sec
HTML Preparation code:
Tests: