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:123.0) Gecko/20100101 Firefox/123.0
Firefox 123
Windows
Desktop
2 years ago
getElementsByClassName
14.9M/s
getElementsByID
14.8M/s
querySelector (ID)
7.3M/s
querySelector
7.2M/s
querySelectorAll
2.7M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 14,887,548 Ops/sec
getElementsByID 14,775,045 Ops/sec
querySelector (ID) 7,265,070 Ops/sec
querySelector 7,204,597 Ops/sec
querySelectorAll 2,660,714 Ops/sec
HTML Preparation code:
Tests: