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JavaScript Using es6(ES2015) Destructuring assignment

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SAMER SAEID answered on January 19, 2022 Popularity 6/10 Helpfulness 1/10

answer JavaScript Using es6(ES2015) Destructuring assignment

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JavaScript Using es6(ES2015) Destructuring assignment

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//JavaScript program to swap two variables

//take input from the users
let a = prompt('Enter the first variable: ');
let b = prompt('Enter the second variable: ');

//using destructuring assignment
[a, b] = [b, a];

console.log(`The value of a after swapping: ${a}`);
console.log(`The value of b after swapping: ${b}`);

Popularity 6/10 Helpfulness 1/10 Language javascript

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Contributed on Jun 19 2022

SAMER SAEID

0 Answers Avg Quality 2/10

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JavaScript Destructuring - From ES6

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// assigning object attributes to variables
const person = {
    name: 'Sara',
    age: 25,
    gender: 'female'    
}

// destructuring assignment
let { name, age, gender } = person;

console.log(name); // Sara
console.log(age); // 25
console.log(gender); // female

Popularity 10/10 Helpfulness 2/10 Language javascript

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Contributed on May 21 2022

SAMER SAEID

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Destructuring assignment JS

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const [firstElement, secondElement] = list;
// is equivalent to:
// const firstElement = list[0];
// const secondElement = list[1];

// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment

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Source: developer.mozilla.org

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Contributed on Feb 02 2022

Ill Iguana

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JavaScript destructuring assignment

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const rubiksCubeFacts = {
  possiblePermutations: '43,252,003,274,489,856,000',
  invented: '1974',
  largestCube: '17x17x17'
};
const {possiblePermutations, invented, largestCube} = rubiksCubeFacts;
console.log(possiblePermutations); // '43,252,003,274,489,856,000'
console.log(invented); // '1974'
console.log(largestCube); // '17x17x17'

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Source: www.codecademy.com

Tags: destructuring javascript

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Contributed on Nov 03 2023

Henok Tilahun

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destructuring assignment in javascript

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// destructuring assignment in javascript
// object destructuring
let person = { 
    name: "Chetan", 
    age: 30, 
    country: "India" 
};
const { name, age } = person;

console.log(name);
//expected output: "Chetan"

console.log(age);
//expected output: 30

console.log(country);
//expected output: Uncaught ReferenceError: country is not defined

// Array destructuring
const num = [1,2,3];
const [one, two, three] = num;
console.log(one); // 1
console.log(two); // 2
console.log(three); // 3

Popularity 10/10 Helpfulness 1/10 Language javascript

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Contributed on Jan 19 2022

Chetan Nada

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JavaScript Using es6(ES2015) Destructuring assignment

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