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
41.0M/s
getElementsByID
33.5M/s
querySelector
13.1M/s
querySelector (ID)
5.6M/s
querySelectorAll
5.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 40,978,228 Ops/sec
getElementsByID 33,523,952 Ops/sec
querySelector 13,099,052 Ops/sec
querySelector (ID) 5,642,909 Ops/sec
querySelectorAll 5,287,651 Ops/sec
HTML Preparation code:
Tests: