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Run results for:
Array.prototype.slice vs spread operator.
Compare the ES6 spread operator with the traditional slice() method
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<iframe src="https://measurethat.net/Embed?id=627376" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:149.0) Gecko/20100101 Firefox/149.0
Browser:
Firefox 149
Operating system:
Windows
Device Platform:
Desktop
Date tested:
4 months ago
Array.prototype.slice
66.2M/s
spread operator
62.1M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.slice
66,216,792 Ops/sec
spread operator
62,067,904 Ops/sec
Script Preparation code:
var a = [ "hello", true, 7 ];
Tests:
Array.prototype.slice
var b = a.slice();
spread operator
var b = [ ...a ]