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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=608718" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0
Browser:
Firefox 139
Operating system:
Linux
Device Platform:
Desktop
Date tested:
11 months ago
Test name
Executions per second
array.prototype.at()
1213186560.0 Ops/sec
array[array.length - 1]
2010457984.0 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]