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/134.0.0.0 Safari/537.36
Chrome 134
Windows
Desktop
one year ago
getElementsByClassName
34.9M/s
getElementsByID
26.1M/s
querySelector
17.4M/s
querySelector (ID)
8.1M/s
querySelectorAll
5.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 34,856,788 Ops/sec
getElementsByID 26,106,558 Ops/sec
querySelector 17,399,352 Ops/sec
querySelector (ID) 8,140,210 Ops/sec
querySelectorAll 5,857,376 Ops/sec
HTML Preparation code:
Tests: