Answers for "how to destructure object in javascript"

destructuring object

const obj = {
  name: "Fred",
  age: 42,
  id: 1
}

//simple destructuring
const { name } = obj;
console.log("name", name);

//assigning multiple variables at one time
const { age, id } = obj;
console.log("age", age);
console.log("id", id);

//using different names for the properties
const { name: personName } = obj;
console.log("personName", personName);
 Run code snippet

js-destructuring

const getTemperature = (atticData) => atticData?.celsius ?? 15;
// insted do
const getTemperature = ({ celsius = 15 } = {}) => celsius;

// https://realworldjs.medium.com/never-use-the-dot-operator-in-javascript-ee0339d85fb

how to use object destructuring

// Noob [ not good ]
function getFullName(userObj) {
  const firstName = userObj.firstName;
  const lastName = userObj.lastName;

  return `${firstName} ${lastName}`;
}

// master [ yap little bit ]
function getFullName(userObj) {
  const { firstName, lastName } = userObj;
  return `${firstName} ${lastName}`;
}

// hacker [ i prefer this way ]
function getFullName({ firstName, lastName }) {
  return `${firstName} ${lastName}`;
}
// example func call
getFullName({
	firstName: 'John',
    lastName: 'Duo'
});