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Run results for:
Array concat vs spread operator vs push
Compare the new ES6 spread operator with the traditional concat() method and push
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<iframe src="https://measurethat.net/Embed?id=628545" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 12; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.196 Mobile Safari/537.36
Browser:
Chrome Mobile 114
Operating system:
Android
Device Platform:
Mobile
Date tested:
3 months ago
Push
25.2M/s
spread operator
20.5M/s
Array.prototype.concat
6.3M/s
View exact numbers
Test name
Executions per second
✓
Push
25,213,782 Ops/sec
spread operator
20,521,524 Ops/sec
Array.prototype.concat
6,289,086 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);