Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
.map(callback) - 1 000 elements 3654.4 Ops/sec
.fill(value) - 1 000 elements 34224.3 Ops/sec
Tests:
  • .map(callback) - 1 000 elements

    AخA
     
    const result = Array.from({length:10000}, (_,i)=>i)
  • .fill(value) - 1 000 elements

     
    const result = Array(10000).fill().map((a, i) => i);