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; rv:124.0) Gecko/20100101 Firefox/124.0
Firefox 124
Windows
Desktop
2 years ago
getElementsByID
6.1M/s
getElementsByClassName
6.0M/s
querySelector
3.4M/s
querySelector (ID)
3.4M/s
querySelectorAll
1.4M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 6,059,258 Ops/sec
getElementsByClassName 5,997,696 Ops/sec
querySelector 3,439,078 Ops/sec
querySelector (ID) 3,430,668 Ops/sec
querySelectorAll 1,438,286 Ops/sec
HTML Preparation code:
Tests: