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/139.0.0.0 Safari/537.36
Chrome 139
Linux
Desktop
10 months ago
getElementsByClassName
15.2M/s
querySelector
10.9M/s
getElementsByID
10.1M/s
querySelector (ID)
3.9M/s
querySelectorAll
3.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 15,177,332 Ops/sec
querySelector 10,893,607 Ops/sec
getElementsByID 10,138,265 Ops/sec
querySelector (ID) 3,911,742 Ops/sec
querySelectorAll 3,261,580 Ops/sec
HTML Preparation code:
Tests: