MeasureThat.net

Run results for: Array clone (spread vs slice vs array.from)

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36
Chrome 108
Windows
Desktop
5 days ago
Test name Executions per second
Spread 173.5 Ops/sec
Slice 2191.4 Ops/sec
Array.from 151.3 Ops/sec
HTML Preparation code:
AخA
 
1
<!--your preparation HTML code goes here-->
Script Preparation code:
 
const array = Array.from({ length: 128000 }, (_, i) => { return { i } })
Tests:

  • Spread

     
    const copy = [...array];

  • Slice

     
    const copy = array.slice();

  • Array.from

     
    const copy = Array.from(array);