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Run results for:
array.prototype.at() vs array[array.length - 1]
which one is faster for reaching last item of an array
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<iframe src="https://measurethat.net/Embed?id=523903" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Browser:
Chrome 124
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
array.prototype.at()
17845576.0 Ops/sec
array[array.length - 1]
9553701.0 Ops/sec
Script Preparation code:
var array = [0, 1, 2, 3];
Tests:
array.prototype.at()
let lastWithAtArray = array.at(-1)
array[array.length - 1]
let lastWithLength = array[array.length - 1]