01 / Foundation
Understand the concept
Every JavaScript object has an internal link to another object called its prototype. This forms the prototype chain, allowing objects to inherit properties and methods.
Understanding prototypes is essential for mastering inheritance, classes, object creation, and many advanced interview questions.
02 / Implementation
Prototype Example
prototype.js
function Person(name) {
this.name = name;
}
Person.prototype.greet = function () {
console.log(`Hello, I'm ${this.name}`);
};
const john = new Person("John");
john.greet();04 / Interview