js object destructuring
const hero = {
name: 'Batman',
realName: 'Bruce Wayne'
};
const { name, realName } = hero;
name; // => 'Batman',
realName; // => 'Bruce Wayne'js object destructuring
const hero = {
name: 'Batman',
realName: 'Bruce Wayne'
};
const { name, realName } = hero;
name; // => 'Batman',
realName; // => 'Bruce Wayne'js object destructuring with defaults
// Taken from top stack overflow answer
const { dogName = 'snickers' } = { dogName: undefined }
console.log(dogName) // what will it be? 'snickers'!
const { dogName = 'snickers' } = { dogName: null }
console.log(dogName) // what will it be? null!
const { dogName = 'snickers' } = { dogName: false }
console.log(dogName) // what will it be? false!
const { dogName = 'snickers' } = { dogName: 0 }
console.log(dogName) // what will it be? 0!how destructuring works in javascript
//destructuring in javascript
const objA = {
prop1: 'foo',
prop2: {
prop2a: 'bar',
prop2b: 'baz',
},
};
// Deconstruct nested props
const { prop1, prop2: { prop2a, prop2b } } = objA;
console.log(prop1); // 'foo'
console.log(prop2a); // 'bar'
console.log(prop2b); // 'baz'Copyright © 2021 Codeinu
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