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

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Run details:
Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121
Chrome OS 14541.0.0
Desktop
2 years ago
getElementsByClassName
8.4M/s
querySelector
7.6M/s
getElementsByID
7.3M/s
querySelector (ID)
5.7M/s
querySelectorAll
2.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 8,376,263 Ops/sec
querySelector 7,595,649 Ops/sec
getElementsByID 7,279,631 Ops/sec
querySelector (ID) 5,660,336 Ops/sec
querySelectorAll 2,909,564 Ops/sec
HTML Preparation code:
Tests: