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Run results for:
Array.prototype.slice vs spread operator With slightly bigger array
Compare the new ES6 spread operator with the traditional slice() method
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<iframe src="https://measurethat.net/Embed?id=561388" 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/129.0.0.0 Safari/537.36
Browser:
Chrome 129
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
slice operator
15912808.0 Ops/sec
spread operator
6572069.5 Ops/sec
Script Preparation code:
var params = Array(100).fill('Hello World');
Tests:
slice operator
var other = params.slice();
spread operator
var other = [ ...params ]