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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 OPR/106.0.0.0
Opera 106
Windows
Desktop
2 years ago
getElementsByClassName
4.8M/s
getElementsByID
4.3M/s
querySelector
3.6M/s
querySelector (ID)
2.1M/s
querySelectorAll
1.4M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 4,790,916 Ops/sec
getElementsByID 4,323,335 Ops/sec
querySelector 3,642,870 Ops/sec
querySelector (ID) 2,125,864 Ops/sec
querySelectorAll 1,430,096 Ops/sec
HTML Preparation code:
Tests: