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Run results for:
Array.Prototype.at vs index
Measures performance between using arr.at(1) to access an element in an array and arr[1]
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<iframe src="https://measurethat.net/Embed?id=608548" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.2
Device Platform:
Mobile
Date tested:
one year ago
Index
288.5M/s
Array.at()
136.3M/s
View exact numbers
Test name
Executions per second
✓
Index
288,461,216 Ops/sec
Array.at()
136,295,440 Ops/sec
Tests:
Array.at()
const arr = ['a','b', 1, 2, true, false]; const val = arr.at(2);
Index
const arr = ['a','b', 1, 2, true, false]; const val = arr[2];