Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
getElementsByID
17.6M/s
getElementsByClassName
17.0M/s
querySelectorAll
12.1M/s
querySelector
8.2M/s
querySelector (ID)
7.0M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 17,639,336 Ops/sec
getElementsByClassName 16,994,462 Ops/sec
querySelectorAll 12,068,810 Ops/sec
querySelector 8,199,976 Ops/sec
querySelector (ID) 7,037,600 Ops/sec
HTML Preparation code:
Tests: