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:139.0) Gecko/20100101 Firefox/139.0
Firefox 139
Windows
Desktop
6 months ago
getElementsByID
12.8M/s
getElementsByClassName
12.6M/s
querySelector
7.2M/s
querySelector (ID)
7.2M/s
querySelectorAll
3.5M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 12,844,115 Ops/sec
getElementsByClassName 12,642,188 Ops/sec
querySelector 7,226,126 Ops/sec
querySelector (ID) 7,214,166 Ops/sec
querySelectorAll 3,501,635 Ops/sec
HTML Preparation code:
Tests: