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/133.0.0.0 Safari/537.36
Chrome 133
Linux
Desktop
one year ago
getElementsByClassName
29.4M/s
getElementsByID
21.7M/s
querySelector
17.3M/s
querySelector (ID)
7.5M/s
querySelectorAll
5.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 29,355,152 Ops/sec
getElementsByID 21,727,402 Ops/sec
querySelector 17,254,068 Ops/sec
querySelector (ID) 7,511,538 Ops/sec
querySelectorAll 5,215,182 Ops/sec
HTML Preparation code:
Tests: