Object.create.js

const obj1 = { "abc": "xyz" };
const newObj = Object.create(obj1);
console.log(newObj); // {}
console.log(newObj.__proto__); // { “abc”: “xyz” }



// prototypal inheritance
const obj2 = {
    greet: function() {
        console.log("hey bro");
    }
}

const obj3 = Object.create(obj2);
console.log("obj3", obj3); // obj3 itself is empty
obj3.greet(); // but it has inherited all properties from obj2, those properties exists in its prototype chain

obj2.hello = function() {
    console.log("hello word");
}
obj3.hello(); // as the reference of the object is stored in the prototype chain of the created object (using Object.create()) so if a new property/key is added in the original object, prototype of the created object can access that too



// // used to create pure object (with no prototype properties, even not the default ones)
// const pureObj = Object.create(null);
// console.log("pureObj proto", pureObj.__proto__)
// console.log(pureObj.toString); // undefined



// // used to define custom properties with strict access rules
// const carPrototype = {
//     drive() { console.log("Vroom!"); }
// };

// const myCar = Object.create(carPrototype, {
//     make: {
//         value: "Tesla",
//         writable: false,     // Cannot be changed (read-only)
//         enumerable: true,    // Shows up in for...in loops
//         configurable: true   // Can be deleted or modified later
//     }
// });

// myCar.make = "BMW"; // Ignored in strict mode / fails silently otherwise
// console.log(myCar.make); // Output: "Tesla"