const {

  address: { country },

} = user;

​

console.log(country);

// South Africa

const obj = {a: {b: 'xyz'}};

​

const {a: {b}} = obj;

​

console.log(b); // xyz

const person = {

    name: 'labib',

    age: 22,

    job: 'web-developer',

    frieds: ['ahsik', 'abir', 'alvi', 'hanafi'],

    childList: {

        firstChild: 'Salman',

        secondChild: 'Rafi',

        thirdChild: 'Anfi'

    }

}

const { frieds: [a, b, c] } = person; //array destructuring from a nested object 

console.log(a, b, c);

//expected output: ahsik abir alvi;

const { childList: { firstChild, secondChild } } = person; //object destructuring from a nested object

console.log(firstChild, secondChild)

//expected output:Salman Rafi

const person = {

    name: 'labib',

    age: 22,

    job: 'web-developer',

    frieds: ['ahsik', 'abir', 'alvi', 'hanafi'],

    childList: {

        firstChild: 'Salman',

        secondChild: 'Rafi',

        thirdChild: 'Anfi'

    }

}

​

//simple destructuring

const { name, age, job } = person;

console.log(name, age, job);

//Expected output: labib 22 web-developer

const user = {

  name: 'Chris',

  age: 33,

  username: 'DailyDevTips',

  address: {

    country: 'South Africa',

    postalCode: '7700',

  },

};

​

const {

  address: { country },

} = user;

​

console.log(country);

// South Africa

const {

  address: { country },

} = user;

​

console.log(country);

// South Africa

var personsInfo = {

    company: 'sp-coder',

    persons: [{

        id: 1,

        name: 'Adil',

        friedsList: {

            friend1: 'Nabil',

            friend2: 'Habib'

        }

    }, {

        id: 2,

        name: 'Arif',

        friedsList: {

            friend1: 'alvi',

            friend2: 'avi'

        }

    }]

};

​

const { friend1, friend2 } = personsInfo.persons[0].friedsList;

console.log(friend1, friend2);

// Expected Output: Nabil Habib

const person = {

    firstName: 'Adil',

    lastName: 'Arif',

    age: 25,

    job: 'web-developer',

    love: 'coding',

    friedsList: {

        friend1: 'Abir',

        friend2: 'Adnan'

    }

}

const { friend1, friend2 } = person.friedsList;

console.log(friend1, friend2);

//Expected output: Abir Adnan

const user = {

  name: 'Chris',

  age: 33,

  username: 'DailyDevTips',

  address: {

    country: 'South Africa',

    postalCode: '7700',

  },

};

​

const {

  address: { country },

} = user;

​

console.log(country);

// South Africa

const myFunc = ({event: {target: {name,secondName}}}) => {

  console.log(name);

  console.log(secondName);

}

​

myFunc({event: {target: {name: 'fred'}}})

const item = {

  id: 1234,

  name: "sony wf1000xm3",

  category: {

    mainCategory: "electronics,

    subCategory:'earphones'

  }

};

​

const {

  category: { subCategory },

} = item;

​

console.log(category);

// reference error

​

const {

  category: { subCategory },

  category,

} = item;

​

console.log(subcategory);

// earphones

​

console.log(category);

// {mainCategory: "electronics,subCategory:'earphones'}