What is object?

An object is a collection of data stored as key–value pairs.

✅ Example:

JavaScript:

let person = {
name: "Praveen",
age: 22,
city: "Chennai"
};

console.log(person.name); // Praveen

👉 Here:
name, age, city → keys
"Praveen", 22, "Chennai" → values

Object Inside Object (Nested Object):

Program:

Output: