why there is need of destructing array in javascript code example

Example 1: array destructuring in javascript

const array = ['ismail', 'sulman'];
// array destructuring
const [firstElement, secondElement] = array;
console.log(firstElement, secondElement);
const secondArray = ['ismail', 'naeem', 'Mr', 1];
const [firstEl, secondEl, ...array1] = secondArray;
console.log(firstEl, secondEl, array1);

Example 2: destructuring es6 freecodecamp

const iceCreamFlavors = ['hazelnut', 'pistachio', 'tiramisu'];const flavor1 = iceCreamFlavors[0];const flavor2 = iceCreamFlavors[1];const flavor3 = iceCreamFlavors[2];console.log(flavor1, flavor2, flavor3);