Answers for "nested array destructuring javascript"

Javascript

nested array destructuring javascript

// destructuring array & nested array & combine array into single array
let person = ["John", "Sandy", "Sam", ["Mike", "Max"], "Diego", "Paul"];
// empty comma is like skipping array index. I skipped "Sam"
const [a, b, , c, ...d] = person;

let friend = [d, "Tom", "Jerry"] 
let newFriend = [...d, "Tom", "Jerry"]

console.log(a); // output: "John"
console.log(b); // output: "Sandy"
console.log(c); // output: [ "Mike", "Max" ]
console.log(d); // output: ["Diego", "Paul"]
console.log(friend); // output: [ [ 'Diego', 'Paul' ], 'Tom', 'Jerry' ]
console.log(newFriend); // output: [ 'Diego', 'Paul', 'Tom', 'Jerry' ]

Posted by: Guest on September-07-2021

How to destructuring values from an nested object in javascript?

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

Posted by: Guest on September-03-2021

How to destructuring nested object value in javascript?

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

Posted by: Guest on September-03-2021

javascript nested array destructuring

let arr = [1, 2, 3, 4, [100, 200, 300], 5, 6, 7];

// nested array destructuring
const [a, , , , [, b, ,], , , ,] = arr;

console.log(a);
// expected output "1"

console.log(b);
// expected output "200"

Posted by: Guest on December-25-2020

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