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

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Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Mobile/15E148 Safari/604.1
Mobile Safari 18
iOS 18.3.1
Mobile
one year ago
getElementsByID
55.3M/s
getElementsByClassName
48.3M/s
querySelectorAll
18.6M/s
querySelector
10.5M/s
querySelector (ID)
7.7M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 55,275,408 Ops/sec
getElementsByClassName 48,330,160 Ops/sec
querySelectorAll 18,577,188 Ops/sec
querySelector 10,488,246 Ops/sec
querySelector (ID) 7,670,985 Ops/sec
HTML Preparation code:
Tests: