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Javascript Tutorial For Beginners Step By Step

Let's start learning JavaScript, the language of the internet. You will learn JavaScript from beginning and also learn how to use it in your projects step by step with a lot of examples and projects.

JavaScript Tutorial

JavaScript is a scripting language that is famously used in web development. It is a high-level, object-oriented, dynamic, and an interpreted language.

JavaScript is a weakly typed language, meaning that variables do not have a type.

JavaScript is a member of the ECMAScript family of languages. ECMAScript is a family of specifications that define the syntax, semantics, and behavior of the JavaScript language.

JavaScript is a prototype-based language. It is a prototype-based language because it is designed to be used as a language for creating objects.

JavaScript was originally developed by Brenden Eich in 1995 and was first released in 1997. It was later open-sourced in 1998 and is maintained by the Netscape Foundation.

javascript created by Brenden Eich
Brenden Eich

Javascript is significantly utilized for web development but nowadays it is also used for many other things, including:

Javascript is now everywhere you can do front-end, back-end, mobile app development, desktop app development, game development, application testing, and many more.

Javascript is an interpreted language. It is interpreted because it is executed by the browser.

JavaScript is versatile and beginner-friendly, using JavaScript you will be able to create interactive webpages, games, 2D and 3D graphics, and much more!

Our Online Tutorial

best javascript tutorial

Our JavaScript tutorial is designed for all types of users. The tutorial section is created in a sequence that is fit to increase productivity while learning.

JavaScript is the most popular language in the world.

According to StackOverflow survey javascript is the most popular programming language.

JavaScript is a lightweight and interpreted programming language.

JavaScript was initially created to make the web alive but nowadays javascript is used for many different purposes. For creating a web app, mobile app, desktop app, server-side programming, and lots more.

Start Learning JavaScript ❯❯

Lots of examples

We believe in learning with examples, so we have created a lot of examples for you to learn the concepts of JavaScript in our JavaScript tutorial.


const greet = "Welcome To Tutorials Tonight!";
for(let i = 0; i < 5; i++) {
console.log(new Date());
▶ Play code

Note: Don't bother about code for now you will learn everything further in the tutorial.

We have an online editor for javascript where you can modify and run your code.

The ▶ Play code button takes you to our online editor with the same example and code snippets where you can write your whole web app.

The Run Here > button runs javascript code instantly and shows output in a log created just below the button.

learn javascript through projects

In the programming world the more you make projects better you understand concepts and the more you become creative, so our JavaScript tutorial for beginners has lots of projects for you to easily start with making web projects.

Here is a collection of JavaScript projects that you should create as a beginner.

Why Learn Javascript?

There is a whole bunch of programming languages out there C/C++, Java, Python, Swift, Ruby, PHP, Go, etc. Then why should you learn JavaScript, what makes it different from other languages, what can you do using it?

Every language has its own pros and cons but JavaScript is a must for students and developers who are willing to learn web development and make a career in the same.

Here are the main reasons why you must learn JavaScript:

Note: JavaScript is one of 3 languages that a web developer must learn: HTML, CSS, and JavaScript.

Features of the JavaScript

JavaScript has a lot of features that you can use to make your web app more interactive and dynamic. Some of the most important features are:

  1. Functions: Functions are the most important feature of JavaScript, they are used to create reusable code that can be used in many places in your web app.

  2. Objects: JavaScript objects are the most important feature of JavaScript, they are used to create data structures that can be used in many places in your web app.

  3. Case sensitivity: JavaScript is case sensitive, so you must use the same case when you create variables, functions, objects, etc.

  4. Cross-platform support: JavaScript is cross-platform, so you can use it on many different platforms, from desktop to mobile devices.

  5. Modularity: JavaScript is modular, so you can use it in many different ways, from server-side to client-side.

  6. Dynamic typing: JavaScript is dynamic typing, so you can use different types of data in your code.

  7. Data types: JavaScript has many data types, from numbers to strings to objects, arrays, functions, etc.

What you can do with JavaScript

JavaScript is a powerful language that you can use to create a web app, mobile app, desktop app, server-side programming, data visualization, machine learning, IoT, cloud computing, cross-platform applications, game development, graphics designing, and lots more.

Here are the main things you can do with JavaScript:

JavaScript Examples

Here are some simple examples of javascript.

Example: Printing something

console.log("Learning javascript with TutorialsTonight!");

Example: Printing something with a variable

const message = "Learning javascript with TutorialsTonight!"

Example: Using Conditions

const rainy = true;
  console.log("It's raining!");

JavaScript topics to learn

Here is a list of JavaScript topics and other related useful articles: