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Run results for:
Array concat vs spread operator vs push (2)
Compare the new ES6 spread operator with the traditional concat() method and push
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<iframe src="https://measurethat.net/Embed?id=615393" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:141.0) Gecko/20100101 Firefox/141.0
Browser:
Firefox 141
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Array.prototype.concat
31.2M/s
spread operator
31.1M/s
Push
31.0M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.concat
31,195,062 Ops/sec
spread operator
31,067,948 Ops/sec
Push
30,980,012 Ops/sec
Script Preparation code:
var params = [ "hello", true, 7 ];
Tests:
Array.prototype.concat
var other = [ 1, 2 ].concat(params);
spread operator
var other = [ 1, 2, ...params ]
Push
var other = [ 1, 2 ]; other.push(...params);