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/18.0 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
getElementsByID
18.1M/s
getElementsByClassName
17.4M/s
querySelectorAll
11.9M/s
querySelector
8.9M/s
querySelector (ID)
7.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 18,099,190 Ops/sec
getElementsByClassName 17,399,338 Ops/sec
querySelectorAll 11,905,799 Ops/sec
querySelector 8,880,796 Ops/sec
querySelector (ID) 7,265,952 Ops/sec
HTML Preparation code:
Tests: