Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Chrome 135
Linux
Desktop
one year ago
getElementsByClassName
22.8M/s
getElementsByID
19.8M/s
querySelector
18.5M/s
querySelector (ID)
9.1M/s
querySelectorAll
6.0M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 22,842,524 Ops/sec
getElementsByID 19,779,070 Ops/sec
querySelector 18,462,288 Ops/sec
querySelector (ID) 9,062,071 Ops/sec
querySelectorAll 6,041,318 Ops/sec
HTML Preparation code:
Tests: