Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Array slice() vs slice(0) vs spread operator
Compare the new ES6 spread operator with the traditional slice() methods
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=585830" 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/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.slice()
65.5M/s
Array.prototype.slice(0)
62.9M/s
spread operator
50.8M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.slice()
65,494,628 Ops/sec
Array.prototype.slice(0)
62,880,748 Ops/sec
spread operator
50,846,268 Ops/sec
Script Preparation code:
var baseArray = [] for (var i = 0; i < 50; i++) { baseArray.push((Math.floor(Math.random() * Math.floor(1000000))).toString(16)) }
Tests:
Array.prototype.slice()
var other = baseArray.slice();
spread operator
var other = [ ...baseArray ]
Array.prototype.slice(0)
var other = baseArray.slice(0);