Run results for: Cloning an array

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0

Browser: Firefox 112

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

var array = [];
for (let m = 0; m < 40; m++) {
  array.push(m);
}

Tests:

Using array slice
let clone = array.slice();
Using array spread
let clone = [...array];
Using array push and spread
let clone = []; clone.push(...array);
Using for loop and push
let clone = []; for (let i = 0; i < array.length; i++) { clone.push(array[i]); }
Using array concat
let clone = [].concat(array);