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/132.0.0.0 Safari/537.36
Chrome 132
Windows
Desktop
one year ago
getElementsByClassName
15.4M/s
getElementsByID
12.9M/s
querySelector
7.4M/s
querySelector (ID)
3.1M/s
querySelectorAll
2.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 15,445,512 Ops/sec
getElementsByID 12,854,548 Ops/sec
querySelector 7,442,707 Ops/sec
querySelector (ID) 3,133,494 Ops/sec
querySelectorAll 2,241,629 Ops/sec
HTML Preparation code:
Tests: