destructuring objects
({ a, b } = { a: 10, b: 20 });
console.log(a); // 10
console.log(b); // 20
// Stage 4(finished) proposal
({a, b, ...rest} = {a: 10, b: 20, c: 30, d: 40});
console.log(a); // 10
console.log(b); // 20
console.log(rest); // {c: 30, d: 40}Object destructuring
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); // truedestructured object
let renseignement = ['voleur' , '10' , 'spécialité'] ;
let [classe , force, magie] = renseignement ;
console.log(classe) ;
console.log(force) ;
console.log(magie) ;object destructuring example
const hero = {
name: 'Batman',
realName: 'Bruce Wayne',
address: {
city: 'Gotham'
}
};
// Object destructuring:
const { realName, address: { city } } = hero;
city; // => 'Gotham'typescript object destructuring
let { a, b }: { a: string; b: number } = o;javascript destructuring
const classDetails = {
strength: 78,
benches: 39,
blackBoard:1
}
const {strength:classStrength, benches:classBenches,blackBoard:classBlackBoard} = classDetails;
console.log(classStrength); // Outputs 78
console.log(classBenches); // Outputs 39
console.log(classBlackBoard); // Outputs 1Copyright © 2021 Codeinu
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