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:136.0) Gecko/20100101 Firefox/136.0
Firefox 136
Windows
Desktop
one year ago
getElementsByID
3.6M/s
getElementsByClassName
3.6M/s
querySelector (ID)
2.3M/s
querySelector
2.3M/s
querySelectorAll
1.1M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 3,641,319 Ops/sec
getElementsByClassName 3,616,255 Ops/sec
querySelector (ID) 2,262,048 Ops/sec
querySelector 2,253,869 Ops/sec
querySelectorAll 1,052,004 Ops/sec
HTML Preparation code:
Tests: