JavaScript Destructuring

Array Destructuring

Extract values from arrays easily.

const numbers = [1, 2, 3];
const [first, second, third] = numbers;

console.log(first);  // 1
console.log(second); // 2

Object Destructuring

Extract properties from objects.

const user = { name: 'John', age: 25, email: 'john@example.com' };
const { name, age } = user;

console.log(name); // "John"
console.log(age);  // 25

Default Values

const { name, age = 18 } = user;

Key Takeaway

Destructuring extracts values easily. Use for arrays and objects. Saves code and makes it readable. Essential ES6 feature.