Udemy

JavaScript from Beginner to Expert

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  • 11,653 Students
  • Updated 12/2025
4.6
(1,460 Ratings)
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Course Information

Registration period
Year-round Recruitment
Course Level
Study Mode
Duration
21 Hour(s) 26 Minute(s)
Language
English
Taught by
Arkadiusz Włodarczyk
Rating
4.6
(1,460 Ratings)

Course Overview

JavaScript from Beginner to Expert

Become a JavaScript expert in 30 days, even as a beginner! Master JS, React, and Node.js to build web applications

Would you like to learn JavaScript and become a good earning front-end developer?

After this course, you'll quickly and simply master programming in JavaScript!


WHAT WILL I LEARN?

During this JavaScript course, I’ll show you how to build real-life applications - image sliders, galleries, and more.

Don't worry if you're new to JavaScript! This course is crafted for people starting from scratch.

It doesn't matter whether you have never written any programs or have no idea about programming.

You will bust the myth that programming is a difficult thing only for the few!


WILL I FIND A JOB?

JavaScript developers are in high demand. Learning JavaScript can open doors to junior frontend jobs and freelance work.

JavaScript in business is the choice of leading companies:

  • Google

  • Facebook

  • Instagram

  • Netflix

  • Microsoft

  • TikTok

  • Twitch

WHERE IS JAVASCRIPT USED IN THE REAL WORLD?

You will learn a foundation that will allow you to learn popular technologies used to create back-ends by the above companies, such as: Node.js, Next.js, React.js, Angular.js, Vue.js, Express.js, jQuery.


EXTRA JAVASCRIPT CONTENT YOU’LL LOVE

1)

I've included 2 EXTRA chapters on Debugging and Top strategies for crafting neat, maintainable, and high-performing JavaScript code.

2)

Learn React fundamentals - a JavaScript library used by developers worldwide. You’ll build a mini game to practice everything hands-on.

After completing the game, you will learn:

  • How to use Node.js, npm, and Vite

  • How to create components and manage application state

  • How to use JSX to render user interfaces

  • How to work with props and state

  • How to use CSS Modules for styling

  • How to dynamically switch the theme from dark to light mode

  • How to use ContextProvider

  • How to use the useEffect hook

  • How to integrate external libraries with practical examples

  • How to automatically save the state of your game

And that's not all! You will also learn:

  • How to animate elements according to state using Frame Motion

  • How to add icons with Lucide

  • How to transform a React app into a desktop application using Electron (runnable on any system)

  • Using Express & React with fetch API & JS promises

SATISFACTION GUARANTEE

I give you 100% satisfaction. If you do not like my course, you can request a full refund up to 30 days.

  • Over 350,000 people from around the world have enrolled in my courses

  • My courses are updated if needed


INSTRUCTOR SUPPORT

Remember that if you have any questions regarding topics covered in the course, please feel free to ask.

I'm always happy to help! :-)


SECURE PURCHASE

Have a look at free lessons before buying!

Get a taste of the top-notch stuff this course is made of and have a blast!

Become JavaScript Expert today!

Save your precious time by buying this course.

Course Content

  • 10 section(s)
  • 186 lecture(s)
  • Section 1 Introduction to JavaScript
  • Section 2 Editor Setup for JavaScript
  • Section 3 EXTRA: Useful Shortcuts
  • Section 4 JS Basics
  • Section 5 Operators
  • Section 6 Conditions
  • Section 7 Functions
  • Section 8 Objects
  • Section 9 Arrays
  • Section 10 Loops

What You’ll Learn

  • You will be able to create tooltips, slideshows, galleries with thumbnails and many more
  • You will understand events, variables, objects, arrays, functions, loops, conditional statements, DOM, RegExp, Cookies and use that info in your scripts.
  • You will know how to pre-validate all kind of forms and give users information if something is wrong without reloading the website
  • You will know how to debug and keep your code performing well
  • Quizzes and exercises
  • Support from the author
  • Organised material taking you from the Beginner to Expert level in Javascript
  • let/var/const/hoisting


Reviews

  • S
    Samanth Kumar Kolimi
    5.0

    NA

  • P
    Pavankumarreddy Konetigari
    5.0

    Good

  • P
    Priyaskumar Meher
    4.5

    good

  • A
    Abhay Pratap Singh
    4.5

    asdsd

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