Run results for: new Array from vs slice vs push vs index vs spread

Run details:

User agent: Mozilla/5.0 (Linux; Android 13; SM-G991U1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Mobile Safari/537.36 EdgA/114.0.1823.43

Browser: Chrome Mobile 114

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Array.from	136068.5 Ops/sec
Array.slice	180105.5 Ops/sec
Array.push	671284.2 Ops/sec
Array[index]	577220.7 Ops/sec
Array spread	148655.0 Ops/sec

Tests:

Array.from
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];

Run results for: new Array from vs slice vs push vs index vs spread

Array.from

Array.slice

Array.push

Array[index]

Array spread