index.js

const postData = [1, 'Getting Started With Rich', 'Ashutosh Krishna'];
const [postId, postTitle, postAuthor] = postData;
console.log(postId, postTitle, postAuthor);

// With Objects
const anotherPostData = {
    anotherPostId: 1,
    anotherPostTitle: 'Getting Started With Rich',
    anotherPostAuthor: 'Ashutosh Krishna'
};
const {anotherPostId, anotherPostTitle, anotherPostAuthor} = anotherPostData;
console.log(anotherPostId, anotherPostTitle, anotherPostAuthor);