Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Chrome 119
Mac OS X 10.15.7
Desktop
8 months ago
Test name Executions per second
Array.from 30217.1 Ops/sec
[...spread] 51327.8 Ops/sec
Script Preparation code:
AخA
 
var string = '1'.repeat(1000);
Tests:
  • Array.from

     
    const array = Array.from(string, x => x * 2);
  • [...spread]

     
    const array = [...string].map(x => x * 2);