Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
Chrome 116
Windows
Desktop
one year ago
Test name Executions per second
Slice 518.5 Ops/sec
Spread 493.9 Ops/sec
Map 240.1 Ops/sec
Tests:
  • Slice

    AخA
     
    const arr = new Array(100000).fill(0).map(Math.random);
    arr.slice();
  • Spread

     
    const arr = new Array(100000).fill(0).map(Math.random);
    [...arr];
  • Map

     
    const arr = new Array(100000).fill(0).map(Math.random);
    const identity = a => a;
    arr.map(identity);