Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
at(-1) vs slice(-1)[0] vs length - 1
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=572873" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
at(-1)
170.8M/s
length - 1
155.7M/s
slice(-1)[0]
58.2M/s
View exact numbers
Test name
Executions per second
✓
at(-1)
170,825,744 Ops/sec
length - 1
155,702,160 Ops/sec
slice(-1)[0]
58,208,616 Ops/sec
Script Preparation code:
var array = Array({ length: 10000 }, (_, i) => i);
Tests:
at(-1)
array.at(-1);
length - 1
array[array.length - 1]
slice(-1)[0]
array.slice(-1)[0]