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}Array Destructuring
const foo = ['one', 'two', 'three'];
const [red, yellow, green] = foo;
console.log(red); // "one"
console.log(yellow); // "two"
console.log(green); // "three"object destructuring example
const hero = {
name: 'Batman',
realName: 'Bruce Wayne',
address: {
city: 'Gotham'
}
};
// Object destructuring:
const { realName, address: { city } } = hero;
city; // => 'Gotham'js-destructuring
const getTemperature = ({ celsius = 15 } = {}) => celsius;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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