JavaScript Objects Explained 2026 #10 | Model Real-World Data
Learn JavaScript objects in this beginner-friendly 2026 tutorial. Understand how to model real-world data using objects, properties, and methods with practical examples.
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///By the end of Day 10,
// the student will:
//Understand what
// an object is
//Represent real-world
// entities using objects
//Access and modify
// object properties
//Combine arrays + objects
// like real applications
let person = {
name: "Khan",
age: 30,
city: "New Dehli"
};
console.log(person.name);
console.log(person["city"]);
// Modify properties
person.age = 50;
console.log(person);
// real world entities
let product = {
name: "laptop",
price :99999,
instock : true
};
if(product.instock){
console.log("you can buy " + product.name + " for " +product.price);
}
// Array of Objects
let users = [
{name: "Alice", age: 25},
{name: "Bob", age: 30},
{name: "Charlie", age: 35}
];
for(let user of users){
console.log(user.name + " is " + user.age + " years old.");
}
for(let i = 0; i<users.length; i++){
console.log(users[i].name + " is " + users[i].age + " years old.");
}
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