Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
array.prototype.at() vs array[array.length - 1]
which one is faster for reaching last item of an array
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=535376" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Browser:
Chrome 126
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
array.prototype.at()
12.9M/s
array[array.length - 1]
7.2M/s
View exact numbers
Test name
Executions per second
✓
array.prototype.at()
12,853,330 Ops/sec
array[array.length - 1]
7,230,537 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]