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:130.0) Gecko/20100101 Firefox/130.0
Firefox 130
Linux
Desktop
one year ago
getElementsByID
7.3M/s
getElementsByClassName
6.9M/s
querySelector (ID)
3.2M/s
querySelector
3.1M/s
querySelectorAll
1.5M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 7,314,990 Ops/sec
getElementsByClassName 6,910,530 Ops/sec
querySelector (ID) 3,215,324 Ops/sec
querySelector 3,112,680 Ops/sec
querySelectorAll 1,462,350 Ops/sec
HTML Preparation code:
Tests: