Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
Feature Requests
FAQ
Register
Log In
Run results for:
Array concat vs spread operator vs push vs object assign
Compare the new ES6 spread operator with the traditional concat() method and push
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=634071" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:155.0) Gecko/20100101 Firefox/155.0
Browser:
Firefox 155
Operating system:
Windows
Device Platform:
Desktop
Date tested:
4 days ago
Benchmark engine:
Benchmark.js
Push
43.0M/s
Array.prototype.concat
34.9M/s
spread operator
33.6M/s
Object assign
6.9M/s
View exact numbers
Test name
Executions per second
✓
Push
43,018,560 Ops/sec
Array.prototype.concat
34,921,072 Ops/sec
spread operator
33,617,332 Ops/sec
Object assign
6,944,123 Ops/sec
Tests:
Array.prototype.concat
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].concat(params);
spread operator
var params = [ "hello", true, 7 ] var other = [ 1, 2, ...params ]
Push
var params = [ "hello", true, 7 ]; var other = [ 1, 2 ].push(...params);
Object assign
var params = [ "hello", true, 7 ]; var other = Object.assign([], params);