Destructuring

Easily extract array elements or objects properties 

store them in variables

 

- Array Destructuring

[a, b] = ['Hello', 'Max];
conosle.log(a); //Hello
console.log(b); //Max

 

const numbers = [1, 2, 3];
[num1, num2] = numbers;
console.log(num1, num2); //1, 2

[num1, , num3] = numbers;
console.log(num1, num3)l //1, 3

 

- Object Destructuring

{name} = {name:'Max', age:28};
console.log(name) // Max
console.log(age) //undefined