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Run results for: Array.slice() vs. Spread operator (10000 items)

For times when a shallow copy of an Array of size 10000 is needed, what is the performance difference between these 2 methods.

Go to the benchmark
Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Mobile Safari/537.36
Chrome Mobile 124
Android
Mobile
5 months ago
Test name Executions per second
Array.slice() 725431.8 Ops/sec
Spread operator 79535.5 Ops/sec
HTML Preparation code:
AخA
 
1
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.20/lodash.min.js'></script>
Script Preparation code:
 
var arr = new Array(10000).fill(0);
Tests:

  • Array.slice()

     
    var myCopy = arr.slice()

  • Spread operator

     
    var myCopy = [...arr]