JavaScript Interview Question #26

What is an object in JavaScript?

Objects, Arrays & Core Data Handling Junior Beginner

Quick Interview Answer

An object is a collection of key-value pairs used to represent related data and behavior. Property keys are strings or symbols, while values can be any JavaScript value, including functions and other objects.

Detailed Explanation

Objects are fundamental to JavaScript. They are commonly used for application models, configuration, API data, and structured state.

Code Example

const user = {
    id: 1,
    name: "Asif",
    isActive: true,
    greet() {
        return `Hello ${this.name}`;
    }
};

console.log(user.name);
console.log(user.greet());