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Run results for:
Array concat vs spread operator vs push large array
Compare the new ES6 spread operator with the traditional concat() method and push
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<iframe src="https://measurethat.net/Embed?id=590296" 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/124.0.0.0 Safari/537.36
Browser:
Chrome 124
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Array.prototype.concat
861902.5 Ops/sec
spread operator
188794.8 Ops/sec
Push
317960.3 Ops/sec
Tests:
Array.prototype.concat
var params = Array(1000); var array = Array(1000); var other = array.concat(params);
spread operator
var params = Array(1000); var array = Array(1000); var other = [ ...array, ...params ]
Push
var params = Array(1000); var array = Array(1000); var other = array.push(...params);