"mdn destructuring" Code Answer's
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javascript object destructuring
v!v
on May 16, 2020
//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]Source: developer.mozilla.org
object destructuring
Scary Snail
on Mar 18, 2020
const book = {
title: 'Ego is the Enemy',
author: 'Ryan Holiday',
publisher: {
name: 'Penguin',
type: 'private'
}
};
const {title: bookName = 'Ego', author, name: {publisher: { name }} = book, type: {publisher: { type }} = book } = book;object destructuring into this
Scriper
on May 09, 2020
const demo = { nextUrl: 'nextUrl', posts: 'posts' };
const target = {}; // replace target with this
({ nextUrl: target.nextUrl, posts: target.communityPosts } = demo);
console.log(target);Object destructuring
kepl3r
on Sep 20, 2020
Object Destructuring =>
//
The destructuring assignment syntax is a JavaScript expression that makes it
possible to unpack values from arrays,
or properties from objects, into distinct variables.
//
example:
const user = {
id: 42,
is_verified: true
};
const {id, is_verified} = user;
console.log(id); // 42
console.log(is_verified); // true
Source: developer.mozilla.org
mdn destructuring
Silly Skipper
on Nov 07, 2020
const x = [1, 2, 3, 4, 5];
const [y, z] = x;
console.log(y); // 1
console.log(z); // 2
Source: developer.mozilla.org
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