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Run results for:
Array.prototype.concat vs spread operator vs lodash concat
Compare the new ES6 spread operator vs Array.prototype.concat vs _.concat
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=621282" 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/142.0.0.0 Safari/537.36 Edg/142.0.0.0
Browser:
Chrome 142
Operating system:
Windows
Device Platform:
Desktop
Date tested:
8 months ago
spread operator
31.3M/s
Array.prototype.concat
10.7M/s
lodash concat
5.0M/s
View exact numbers
Test name
Executions per second
✓
spread operator
31,308,338 Ops/sec
Array.prototype.concat
10,658,915 Ops/sec
lodash concat
4,995,652 Ops/sec
HTML Preparation code:
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.10/lodash.min.js"></script>
Script Preparation code:
var a = [1, 2, 3] var b = [4, 5, 6]
Tests:
Array.prototype.concat
var c = a.concat(b);
spread operator
var c = [...a, ...b]
lodash concat
var c = _.concat(a, b);