const { object, objectOf } = require("prop-types");

let post = {}
console.log(post);
post.title = "Hello I'm post title";
console.log(post);

const person = {
    name: "Md.Bozlur Rosid Sagor",
    address: {
        country: "Bangaldesh",
        city: "Gaibandha",
    }
};
console.log(person);
const new_object = Object.assign({}, person, { name: "Mbr Sagor", age:25});
console.log(new_object);

const update = { ...person, name:"Bozlur Rosid"}
console.log(update);
update.address.city = "Dhaka, Uttara";

// print pure person object
console.log(person);

let address = {
    name: 'mbr-sagor',
    phone_number: '+8801773474709',
    road: 'Uttra Sector#10, Road#10/B',
    house: 12
}

/**
 *
 for (let index = 0; index < address.length; index++) {
     const element = address[index];
     console.log(element);
 }
 *
 */

for (const [key, val] of Object.entries(address)) {
    console.log(`${key}: ${val}`);
}