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/137.0.0.0 Safari/537.36 Edg/137.0.0.0
Chrome 137
Windows
Desktop
one year ago
getElementsByClassName
7.8M/s
getElementsByID
6.2M/s
querySelector
4.2M/s
querySelector (ID)
1.7M/s
querySelectorAll
1.5M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 7,791,114 Ops/sec
getElementsByID 6,192,768 Ops/sec
querySelector 4,153,196 Ops/sec
querySelector (ID) 1,733,837 Ops/sec
querySelectorAll 1,458,559 Ops/sec
HTML Preparation code:
Tests: