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/134.0.0.0 Safari/537.36
Chrome 134
Windows
Desktop
one year ago
getElementsByClassName
15.6M/s
getElementsByID
14.8M/s
querySelector
11.5M/s
querySelector (ID)
4.8M/s
querySelectorAll
4.1M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 15,624,813 Ops/sec
getElementsByID 14,806,782 Ops/sec
querySelector 11,539,821 Ops/sec
querySelector (ID) 4,828,727 Ops/sec
querySelectorAll 4,107,996 Ops/sec
HTML Preparation code:
Tests: