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:140.0) Gecko/20100101 Firefox/140.0
Firefox 140
Windows
Desktop
one year ago
getElementsByID
18.9M/s
getElementsByClassName
18.9M/s
querySelector
12.1M/s
querySelector (ID)
11.4M/s
querySelectorAll
5.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 18,898,140 Ops/sec
getElementsByClassName 18,864,978 Ops/sec
querySelector 12,096,284 Ops/sec
querySelector (ID) 11,448,341 Ops/sec
querySelectorAll 5,260,968 Ops/sec
HTML Preparation code:
Tests: