Objects and object-oriented programming in JavaScript

Aashish Kasma|12/6/2022, UTC|3 MIN READ|
//Objects and object-oriented programming in JavaScript


Objects and object-oriented programming (OOP) are fundamental concepts in JavaScript, and they are used to structure and organize code in a logical and reusable way.

In JavaScript, an object is a collection of key-value pairs that represent a data structure. The keys are the object's properties, and the values are the property's values. Objects can be created using the "object literal" syntax, which uses curly braces to enclose the key-value pairs. For example:

var person = {
name: "John",
age: 30,
occupation: "developer"

In this example, the object "person" has three properties: "name", "age", and "occupation".

Objects can also be created using a constructor function, which is a function that is used to create objects with a specific structure. For example:

function Person(name, age, occupation) {
this.name = name;
this.age = age;
this.occupation = occupation;
var john = new Person("John", 30, "developer");

In this example, the "Person" function is used as a constructor to create a new object called "john". The object has three properties: "name", "age", and "occupation".

Object-oriented programming is a programming paradigm that is based on the concept of objects. In OOP, objects are used to represent real-world entities and the relationships between them. OOP languages like JavaScript provide features like inheritance, polymorphism, and encapsulation, which allow developers to create complex and scalable applications.

For example, you can use inheritance in JavaScript to create a "Person" object and then create more specific objects like "Student" and "Employee" that inherit the properties and methods of the "Person" object.

Overall, objects and OOP are important concepts in JavaScript, and they are used to structure and organize code in a logical and reusable way. Understanding how to use and create objects is an essential skill for any JavaScript developer.

Check out the rest of our series on Javascript by reading our other articles.

Introduction to JavaScript and its history

Setting up a development environment for JavaScript

Basic syntax and data types in JavaScript

Control structures (e.g. loops, conditionals) in JavaScript

Functions in JavaScript

Working with arrays in JavaScript

Asynchronous programming in JavaScript using promises and async/await

JavaScript libraries and frameworks (e.g. React, Angular, Vue.js)

Tips and best practices for optimizing JavaScript code

Debugging techniques for JavaScript

Working with APIs and making HTTP requests in JavaScript

Integrating JavaScript with web pages (e.g. DOM manipulation)

Building web applications with JavaScript

Deploying JavaScript applications

    Aashish Kasma

    Why Lucent...



    Learning comes not only with training but it comes as we facilitate the learning of the organization as well as individuals and the clients continuously refurbishing ourselves.



    We believe in Innovation and have started our company based on that concept. When you don't transform you become stagnant.
    Innovation arrow Transformation
    arrow Growth.


    Team Work

    We work efficiently as a team. We self-monitor. We deliver results efficiently with the help of multiple perspectives and skill sets. We form strong working relationships as we communicate well with each other.

    lucent innovationlucent innnovation: cltuch

    Lucent Innovation, © 2023. All rights reserved.Privacy policyDMCA compliant image