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The Complete JavaScript Course - Beginner to Professional (Udemy.com)

The only course you need to become a JavaScript developer - 45 JavaScript projects, ES6, JSON, AJAX & much more!

Created by: Codestars

Last updated April 2025

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What you will learn

  • Master the #1 programming language in the world
  • Become a professional JavaScript developer
  • Build games, web apps and websites in JavaScript
  • Get web development jobs on freelancer sites

How it compares

Against the other 239 rated Udemy courses in JavaScript on CourseDuck:

  • Rating4.6 out of 5higher than 70% of them
  • Reviews2,342#55 of 240 by number of reviews
  • Length38.6 hourslonger than 93% of them
  • Last updatedApril 2025more recently than 79% of them

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Course Description

This course has everything you need to become a professional JavaScript developer!

With over 33 hours of training, quizzes and challenges, it's the most comprehensive JavaScript course available on Udemy!

Whether you want a career in front end or back end development - it's essential that you have a solid understanding of this versatile language!

Come learn the #1 programming language in the world in this fun and exciting course with Laurence Svekis - a web developer with 18 years experience who has followed Rob Percival's "learn by doing" style to create this amazing course.

Build 45 Games, Web Apps and Websites with JavaScript

You'll go from beginner to extremely high-level and your instructor will complete each project with you step by step on screen.

Inside the course, you'll build a Magic Eight Ball game, mini calculator, a Calorie Counter app, a geo-located Google Map, a functioning online store and much much more!

You'll learn how to:

  • Use logic statements to make decisions within your code

  • Save time writing the same thing over and over again with JavaScript Loops

  • Use JavaScript Functions to build mini programs to selectively execute code 

  • Make your webpages comes to life with Interactive Content

  • Connect to HTML5 elements & newer API's

  • Make your code more efficient with Regex

  • Handle data and updating page content without page refreshes using JSON and AJAX

  • Build faster with the new ECMA6 version of JavaScript.

  • Gain a strong foundation in Javascript so you’ll be ready to move up to frameworks like Angular and Node.js

No JavaScript or web development experienced required. You'll get friendly support in the Q&A area and all the source code available for download. 

This Offer Won't Last Forever

Go ahead and hit that "take this course" button to start learning the #1 programming language in the world!

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Instructor Details

Codestars

Codestars is a community of instructors behind 100+ courses and over 3 million students worldwide. We were one of the first coding communities to build here, and we've kept building — across web development, mobile, cyber security,  and now AI-powered  development and automation.

We want to revolutionize the way people learn to code by making it simple, logical, fun and, above all, accessible. Our courses are built to teach real, applicable skills, taught by instructors who know the subject and know how to teach it.

Together, the instructors that make up the Codestars team create courses on all the topics that students want to learn in the way that students want to learn them: courses that are well-structured, super interactive, and easy to understand.

Whatever you're here to learn — from the fundamentals of programming to the latest in AI-powered development — you're learning from a channel that has already done this at scale, with millions of students, and a track record to show for it.

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Reviews

4.6

2,342 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Matthew Nicholson on 12/13/2020

There is some really good stuff in here and this will teach you JavaScript well. However sound quality varies, it is sometimes quite poor and the teachers could have refined and improved their examples more before publishing the content.

By Vincent Marshall Sr on 11/19/2020

Looking to learn. So far so good.

By Eric Brose on 11/4/2020

why are these questions asked so early?

By Aerin on 10/27/2020

Very good, thank you

By Bob Bunger on 10/25/2020

ok so far, could use more engaging examples, and explain why putting js in the script tags directly is done in between the script tags, whereas adding a js file is done as an attribute of script tags, instead of in between the script tags. doesnt make sense.

By Kara James on 10/11/2020

Maybe give more direction on possible errors people may receive and how to fix them.

By Muyi Yang on 10/1/2020

yep

By Safiyanu Mohammed on 9/27/2020

I like it.

By Ed Woodward on 9/26/2020

The course did a good job of teaching the syntax and functionality of Javascript.

By Barbara Yothers on 9/25/2020

It may be. It's slow going for a total beginner.

By Pawel Broilo on 9/22/2020

I think the JavaScript course is very comprehensive.

By krish Pati on 8/16/2020

Instructor is teaching this course starting with basics and love the sequence he is teaching. I never felt overwhelmed or stressed out with the course work. Also, Instructor is so patient and answers all our questions.

Showing 12 of 344 reviews

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Quality Score

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Overall Score : 92 / 100