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Basic JavaScript

JS TutorialJS SyntaxJS VariablesJS OperatorsJS If ConditionsJS LoopsJS StringsJS NumbersJS FunctionsJS ObjectsJS DatesJS ArraysJS Typed ArraysJS SetsJS MapsJS MathJS RegExpJS Data TypesJS ErrorsJS EventsJS ProgrammingJS ReferencesJS Versions

JS Advanced

JS FunctionsJS ObjectsJS ClassesJS IterationsJS AsynchronousJS ModulesJS Meta & ProxyJS HTML DOMJS WindowsJS Web APIJS AJAXJS JSONJS jQueryJS GraphicsJS ExamplesJS Reference


JavaScript Syllabus


Introduction

TheW3Schools JavaScript Tutorial is comprehensive and beginner-friendly.

It will give you a fundamental knowledge of JavaScript.

It is designed for beginners and requires no prior experience with programming.

The content has been carefully made to be bite-sized, simple, and easy to understand.

The content has been proven by millions of users over the years. It is updated and improved frequently.

The syllabus outline and its sequence are structured so you can learn JavaScript step by step, from the introduction to creating your first application with JavaScript.

Get Started With JavaScript »


Learning Outcomes

  • Learn how JavaScript works and how it is used in web development.
  • Make web pages interactive by typing and running JavaScript code.
  • Use variables to store and change data.
  • Use data types and operators to do logic and calculations.
  • Organize and reuse code by functions.
  • Conditions, like "if" and "else," let you control how a program runs. Learn how to use them.
  • Use loops (like for and while) to do things over and over again.
  • Learn how to use Document Object Model (DOM) to change HTML elements.
  • Make interactive user experiences by handling events like button clicks and form submissions.
  • Debugging JavaScript code.

Note: Are you a teacher teaching JavaScript?W3Schools Academy is a toolbox of features that can help you teach. It offers classroom features such as pre-built study plans, classroom administration and much more. Read more aboutAcademy here.


Which Subjects Are JavaScript Relevant For?

  • Computer Science (CS) / Information Technology (IT):
    JavaScript is a fundamental programming language used to teach coding, algorithms, and how to make websites that people can interact with.
  • Math:
    JavaScript can be used for mathematical operations and algorithms. It can help you develop logical thinking and problem-solving skills.
  • Physics and Engineering:
    JavaScript can be used for simulations and modeling to help you understand advanced concepts and engineering problems better.
  • Digital Media:
    JavaScript is used to make websites interactive, making your digital projects more relevant and interesting.
  • Business and Entrepreneurship:
    JavaScript makes your web applications, prototypes, and digital presentations interactive.
  • Art and Design:
    JavaScript lets you make animations, interactive graphs, and can be used for generative art.
  • STEM (Science, Technology, Engineering, Mathematics):
    JavaScript as a programming language can be an important part of technology-based projects because it teaches students about logic, automation, and how to use code in the real world.
  • Robotics and the Internet of Things (IoT):
    JavaScript is used by some platforms to program robots and IoT devices.

Get Started


Activities

In this tutorial we offer different activities for you to learn JavaScript for free:


Sign in to Track Progress

You can also create a free account to track your progress.

As a signed-in user, you get access to features such as:

  • Learning paths
  • Sandbox and lab environments
  • Achievements
  • And much more!

Sign Up - It's free


Overview of the Modules

Get Started


Sandbox and Lab Environment

JavaScript, like any other programming language, is best learned by working hands-on with code.

Easily try code with our "Try it Yourself" editor.

Here, you can edit JavaScript code and view the result:

Example

document.getElementById("demo").innerHTML = "Hello JavaScript";
Try it Yourself »

If you want to explore more and host your JavaScript project, we have a feature calledSpaces that allows you to build, test and deploy static websites for free.

Here you get a secure sandbox environment called Spaces, where you can practice coding and test projects in real-time.

Spaces allow you to test, build, and deploy code. This includes a W3Schools subdomain, hosting, and secure SSL certificates.

Spaces require no installation and run directly in the browser.

Features include:

  • Collaboration
  • File navigator
  • Terminal & log
  • Package manager
  • Database
  • Environment manager
  • Analytics
Dynamic Spaces

Create a Spaces Account


JavaScript Certification

W3Schools offers an end-of-pathway certification program.

Here you can take exams to get certified.

The JavaScript exam is a test that summarizes the W3Schools JavaScript syllabus.

After passing the exam you get the "Certified JavaScript Developer" Certification.

There are two different types of certifications:

  • Non-adaptive
  • Adaptive

The non-adaptive is pass or no pass.

The adaptive certification is adaptive and graded; students will get a grade from intermediate, advanced to professional.

Buy Certificate »


Are You a Teacher?

Are you interested in learning how you can useW3Schools Academy to Teach JavaScript?

Watch a demo ofW3Schools Academy. You'll see how it works, and discover how it can make teaching programming easier and more engaging.

Watch Demo »





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