destructure js object code example

Example 1: javascript object destructuring

//simple example with object------------------------------
let obj = {name: 'Max', age: 22, address: 'Delhi'};
const {name, age} = obj;

console.log(name);
//expected output: "Max"

console.log(age);
//expected output: 22

console.log(address);
//expected output: Uncaught ReferenceError: address is not defined

// simple example with array-------------------------------
let a, b, rest;
[a, b] = [10, 20];

console.log(a);
// expected output: 10

console.log(b);
// expected output: 20

[a, b, ...rest] = [10, 20, 30, 40, 50];

console.log(rest);
// expected output: Array [30,40,50]

Example 2: mdn destructuring

let a, b;

[a, b] = [1, 2];
console.log(a); // 1
console.log(b); // 2

Example 3: destructure to object

({x: oof.x, y: oof.y} = foo);

Example 4: js object destructuring

const { [propName]: identifier } = expression;

Example 5: js destructuring explained

const { identifier } = expression;