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Learn JavaScript

This beginner-friendly JavaScript course uses hands-on practice, mini projects, and fun challenges to teach your web page to interact, think, remember, and respond.

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Overview

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In this course, you’ll learn JavaScript from scratch by building things step by step. You’ll start with simple interactions like displaying messages and buttons that respond to clicks. Then, you’ll teach your code to think using logic, remember things with variables, and make decisions based on the user’s actions. You’ll explore variables, functions, objects, DOM manipulation, event handling, loops, and arrays to build simple yet interactive real-life projects. You’ll go from writing your first line of code to building real mini-apps like a quiz, a to-do list, and even your digital pet! Every lesson is project-based and beginner-friendly—designed to help you create, not just code. By the end, you’ll confidently understand how to control the page, respond to users, and build interactive web experiences.

In this course, you’ll learn JavaScript from scratch by building things step by step. You’ll start with simple interactions like...Show More

WHAT YOU'LL LEARN

An understanding of core JavaScript concepts: variables, functions, DOM manipulation, event handling, conditional statements, loops, and arrays

Hands-on experience creating maintainable, well-structured web applications with an integrated view of HTML and JavaScript

The ability to build a working project that showcases real-world problem-solving in JavaScript

An understanding of core JavaScript concepts: variables, functions, DOM manipulation, event handling, conditional statements, loops, and arrays

Content

20 Lessons

Talk to the Web

5 Lessons

Make elements appear, change, and respond to user actions.

Say “Hello” to the Browser

Make the Page Respond

Make Math Happen Instantly

Create a Button That Responds

React to the User

Teach It to Think

5 Lessons

Add logic, memory, and branching.

Remember Stuff

Make Decisions

Create a Smart Button

Count and Repeat

Make a List, Check It Twice

The Page Is Yours

5 Lessons

Control the DOM like a wizard.

Change Anything on the Page

Style with Code

Build a Live Counter or Scoreboard

Build a Simple Form App

Move Things Around

Build Real Things

5 Lessons

Create and launch real, small projects.

Quiz App (Choose Your Own Adventure)

To-Do List (Your First Mini App)

Timer/Countdown App

Digital Pet (Tamagotchi)

Final Project: You Pick, You Build

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Developed by MAANG Engineers

Every Educative resource is designed by our in-house team of ex-MAANG software engineers and PhD computer science educators — subject matter experts who’ve shipped production code at scale and taught the theory behind it. The goal is to get you hands-on with the skills you need to stay ahead in today's constantly evolving tech landscape. No videos, no fluff — just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

Trusted by 2.7 million developers working at companies

"It was really good certification course to learn the basic of JavaScript."

Aishwarya Kundur

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Software Developer

Carlos Matias La Borde

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Personalized Interview Prep

Skip the LeetCode grind with a custom roadmap that adapts to your goals. Hands-on practice for Coding Interviews, System Design, and more.

Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

AI Prompt

Build prompt engineering skills. Practice implementing AI-informed solutions.

Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Free Resources

FOR TEAMS

Interested in this course for your business or team?

Unlock this course (and 1,000+ more) for your entire org with DevPath

Frequently Asked Questions

How long does it take to learn JavaScript?

It typically takes 2–4 weeks to learn the basics of JavaScript with consistent study. To become comfortable building interactive web applications, expect 3–6 months of practice.

How to learn JavaScript?

Here are the steps to learn JavaScript:

Start with basic syntax: variables, operators, and data types.
Study control structures (if-else, loops) and functions.
Learn about objects, arrays, and JSON.
Practice DOM manipulation for web interactivity.
Build small projects to apply and reinforce concepts.

Is JavaScript hard to learn?

JavaScript has a moderate learning curve. Its syntax is beginner-friendly, but certain concepts like asynchronous programming and the DOM can be challenging. With practice, these concepts become easier to understand.

Is JS better than Python?

JavaScript and Python are suited for different purposes. JavaScript is essential for web development, while Python excels in data analysis, AI, and backend programming. The choice depends on the project requirements.

Can I learn JavaScript in 3 hours?

In 3 hours, you can cover the basics of JavaScript syntax and write simple scripts. However, to understand the language well enough for practical applications, more time and practice are needed.