Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36 Edg/109.0.1518.70
Chrome 109
Windows
Desktop
one year ago
Test name Executions per second
Array.from 294372.2 Ops/sec
Array.slice 384396.1 Ops/sec
Array.push 1413580.5 Ops/sec
Array[index] 1263697.8 Ops/sec
Array spread 328922.7 Ops/sec
Tests:
  • Array.from

    AخA
     
    const elements = document.all;
    const arr = Array.from(elements);
  • Array.slice

     
    const elements = document.all;
    const arr = Array.prototype.slice.call(elements, 0);
  • Array.push

     
    const elements = document.all;
    const amount = elements.length;
    const arr = [];
    for (let i = 0; i < amount; i += 1) arr.push(elements[i]);
  • Array[index]

     
    const elements = document.all;
    const amount = elements.length;
    const arr = Array(amount);
    for (let i = 0; i < amount; i += 1) arr[i] = elements[i];
  • Array spread

     
    const elements = document.all;
    const arr = [...elements];