Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0
Firefox 115
Linux
Desktop
one year ago
getElementsByID
3.6M/s
getElementsByClassName
3.6M/s
querySelector (ID)
1.9M/s
querySelector
1.8M/s
querySelectorAll
728K/s
View exact numbers
Test name Executions per second
✓ getElementsByID 3,642,438 Ops/sec
getElementsByClassName 3,601,769 Ops/sec
querySelector (ID) 1,940,783 Ops/sec
querySelector 1,782,100 Ops/sec
querySelectorAll 728,427 Ops/sec
HTML Preparation code:
Tests: