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JavaScript Basics for Beginners (Udemy.com)

JavaScript - Master the Fundamentals in 6 Hours

4.5
48,402 reviews

Created by: Mosh Hamedani

Last updated June 2018

Our take

Based on the ratings of 48,402 students, a sample of their written reviews and the syllabus, as the course stood in June 2018. No course pays to be reviewed.

This is a short, focused JavaScript starter from Mosh Hamedani, taught as plain fundamentals. The syllabus runs through seven sections, from getting started to functions, across about 6.6 hours and 104 lectures. It is not a web development course. Nothing in the section list touches the browser, the DOM or a finished project, so it suits people who want the language itself before anything else. It has 187,875 students and a 4.5 average from roughly 48,000 ratings, and about nine in ten of those are four or five stars.

Reviewers like how clear and to the point the teaching is. One calls it great breadth with sufficient depth for a complete beginner, and another says even a non-technical person can learn without much effort. The complaints are mild. A reviewer with prior coding experience found topics like loops too basic. A 3-star reviewer wanted more analogies and examples because lessons were so succinct. A 2-star reviewer said it went great until the last section, which they found noticeably half-baked.

The last update was June 2018, so treat it as grounding in fundamentals rather than a tour of modern JavaScript, though reviews from 2026 still rate it well. It is a paid course, and short enough to finish quickly. A beginner who wants the basics of the language before committing to a bigger course will get that here. Anyone with programming experience, or who wants projects and browser work, should look at a longer course instead. Newcomers can start here, then move on to something that builds real pages.

Best forComplete beginners who want core JavaScript in about six and a half hours, without a build-a-website project.
Skip it ifYou already code in another language, or want DOM, async work and projects, which this course never reaches.

Pros

  • Short lessons and a 6.6 hour runtime that beginners can actually finish
  • Reviewers call the explanations precise and clear, even for non-technical learners
  • Covers operators, control flow, objects, arrays and functions in a sensible order
  • Reviewers say they can practice alongside the videos as they go

Cons

  • The final section felt noticeably weak to at least one reviewer
  • Too basic for anyone who already codes; loops felt too basic to one experienced reviewer
  • Last updated in 2018, and the syllabus has no DOM, async or project work
To the point, great breadth, and sufficient depth for complete beginner
Rajeshwar Agrawal, a student

Genuinely beginner level. No coding experience needed, and reviewers with prior experience found parts too basic.

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What you will learn

  • Understand the fundamental concepts in JavaScript
  • Learn problem-solving skills
  • Learn and apply the best practices
  • Avoid common pitfalls and mistakes other JavaScript developers make
  • Write solid JavaScript code

Course content

7 sections · 104 lectures · 6.6 hours of video 2 articles

  1. 1Getting Started 6 free previews7 lectures · 16 min
  2. 2Basics8 lectures · 31 min
  3. 3Operators12 lectures · 37 min
  4. 4Control Flow20 lectures · 1.4 hours
  5. 5Objects20 lectures · 1.3 hours
  6. 6Arrays23 lectures · 1.5 hours
  7. 7Functions14 lectures · 1 hour

Who it is for

The instructor says it suits

  • Anyone who wants to become a web developer
  • Existing developers who need to strengthen their understanding of JavaScript

What you need before you start

  • No coding experience is required to take this course.

How it compares

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

  • Rating4.5 out of 5higher than 53% of them
  • Reviews48,402#3 of 240 by number of reviews
  • Length6.6 hourslonger than 58% of them
  • Last updatedJune 2018earlier than 83% of them

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Course Description

WHAT IS JAVASCRIPT? 

JavaScript is one of the most popular programming languages in the world, and growing faster than any other programming language. As a developer, you can use JavaScript to build web and mobile apps, real-time networking apps, command-line tools, and games.


4 REASONS TO LEARN JAVASCRIPT 

  • JavaScript is a key tool for front-end, back-end, and full-stack developers.
  • The average annual salary for a JavaScript developer is $72,000.
  • Companies like Walmart, Netflix, and PayPal run big internal applications around JavaScript.
  • Having strong JavaScript knowledge will help you land your dream job.


A STEP-BY-STEP, BEGINNER-FRIENDLY COURSE

This course is your first step towards a new career in web or mobile development. Here is what you get when enroll in this course: 

  • 6 hours of HD videos
  • Bite-sized and easy-to-digest videos with "no fluff” 
  • 30 exercises and challenges with solutions
  • Expert tips to become a JavaScript wizard
  • No more wasted time on disconnected, out-of-date tutorials
  • Learn at your own pace - take your time if required
  • Unlimited access - watch the course as many times as you wish
  • 30-day money-back guarantee - try it risk free! You have nothing to lose. 
  • Certificate of completion to present to your current or future employer


WHY THIS COURSE?

There are several JavaScript courses on Udemy. So, what makes this course different? Here are 5 reasons: 

  • Taught by a senior coder and best-selling instructor - Mosh Hamedani 
  • Mosh has 17 years of experience as a software engineer
  • He has produced 19 courses and many of them are best-selling courses 
  • He has taught over 200,000 students in 192 countries 
  • No fluff or unnecessary repetition - don't waste your time on long courses 
  • Clear, concise, and practical training - start coding right away 
  • Learn how to think like a programmer - most, if not all, courses just teach you JavaScript features, not the art of problem solving 
  • JavaScript interview questions - many of the exercises in the course are picked from popular interview questions 
  • Fun and engaging - just read Mosh's reviews and see what his students have to say


WHO IS THIS COURSE FOR? 

  • Aspiring developers - perhaps you learned a little bit of HTML and CSS and want to take your first JavaScript programming course. This course is an ideal starting point.  
  • Experienced developers with no degree in computer science - there are a lot of self-taught web developers out there who cannot solve basic programming problems, because they never attended a college. Don't be one of those! This course teaches you the fundamental programming skills that every developer must know. 
  • Anyone who wants to better understand JavaScript - chances are you've taken another course but didn't understand certain topics well. You can take this course to fill the gaps and strengthen your understanding of JavaScript. 

NO PRIOR KNOWLEDGE NEEDED

You don't need familiarity with JavaScript to take this course. You'll learn everything from scratch, step-by-step. A very basic familiarity with HTML will be helpful but it is not required.


ARE YOU READY TO MAKE THE FIRST STEP TOWARDS BECOMING A WEB OR MOBILE DEVELOPER?

Stop wasting your time on disconnected tutorials or super long courses. Enroll in the course to get started. With a 30-day money-back guarantee, what do you have to lose? 
Read More Beginner Beginner Level product length iconTime: 6.6h

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Instructor Details

Mosh Hamedani

Hi! I'm Mosh, a software engineer with over 20 years of experience. I'm all about clear, concise, practical coding tutorials – no fluff, just the good stuff! My courses focus on real-world projects and the skills that will get you hired. I've helped millions of students transform their careers. Want to level up your skills? Check out my courses and get started.

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Reviews

4.5

48,402 ratings on Udemy

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

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By Bhrithyka M on 7/17/2026

Good learning experience .In between it asked for assesment I skipped but at end I'm trying I was not able to do

By Deepak Kumar on 6/18/2026

It's a nice course that provides all the essential basic information for beginners, and explanation is precise and clear.

By Prity Jha on 5/23/2026

Very well articulated, even non-technical guy to can learn javascript without much effort

By Amit Mishra on 4/17/2026

Very good course for beginner but you need to have a programming understanding to keep up with the pace.

By Jeevan Shet on 4/1/2026

so far this course have been so helpful and knowledgeful which is making it easy for me to learn javascript.

By Vivek Sanganna on 3/30/2026

The content is very engaging and to the point, Mosh is really a great teacher for anyone wanting to learn JS I would highly recommend these series of lectures.

By Srisudha Garimella on 3/14/2026

Mosh is great teacher. The way he organizes his content and the way he teaches in simple small concept is superb.

By Peter Warren on 3/4/2026

Informed but relaxed style of the course and the teacher so far - really enjoying it though I am in very early stages!

By Katelyn Joynt on 2/4/2026

I enjoyed this course. The only feedback I have is that I would have preferred if the section about arrays was handled a bit more thoroughly or slower. The methods used with arrays could be daunting for a new JS developer.

By Nathan Bodily on 1/30/2026

Many of the lessons were very succinct, and to the point, but did not go into much detail giving analogies or examples that would have been easier to understand.

By David Hernandez

Very easy to understand, everything is well explained. Highly recommended!

By Amol Pisal

Very basic JS course, could have added more content

Showing 12 of 60 reviews

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Quality Score

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Overall Score : 90 / 100

JavaScript Basics for Beginners
Visit course on Udemy Write a review
  • Video Duration: icon 6.6h
  • Price: $17.99
  • Provider: icon Udemy
  • Updated: icon June 2018
  • Level: Beginner Beginner
  • Language: icon English
  • Certificate: icon Yes
  • Lectures:104 in 7 sections
  • Students:187,900
  • Subtitles:29 languages
  • Udemy badge:Bestseller
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