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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Chrome 120
Linux
Desktop
2 years ago
getElementsByClassName
4.2M/s
querySelector
3.5M/s
getElementsByID
3.4M/s
querySelector (ID)
2.0M/s
querySelectorAll
1.5M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 4,194,466 Ops/sec
querySelector 3,528,656 Ops/sec
getElementsByID 3,361,005 Ops/sec
querySelector (ID) 1,970,043 Ops/sec
querySelectorAll 1,528,506 Ops/sec
HTML Preparation code:
Tests: