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:138.0) Gecko/20100101 Firefox/138.0
Firefox 138
Windows
Desktop
one year ago
getElementsByClassName
11.3M/s
getElementsByID
11.3M/s
querySelector (ID)
7.0M/s
querySelector
6.9M/s
querySelectorAll
2.6M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 11,319,844 Ops/sec
getElementsByID 11,263,870 Ops/sec
querySelector (ID) 7,027,851 Ops/sec
querySelector 6,871,480 Ops/sec
querySelectorAll 2,618,651 Ops/sec
HTML Preparation code:
Tests: