Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Array.prototype.concat vs spread operator on small array
Compare the new ES6 spread operator with the traditional concat() method on small array
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=570443" 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
Test name
Executions per second
Array.prototype.concat
5755734.0 Ops/sec
spread operator
6451823.5 Ops/sec
Script Preparation code:
var array = new Array(10).fill(1) var toConcat = new Array(10).fill(2)
Tests:
Array.prototype.concat
var other = array.concat(toConcat);
spread operator
var other = [ ...array, ...toConcat ]