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JavaScript 101: JavaScript for absolute beginners (Udemy.com)

Learn how to code in JavaScript even if you've never written any JavaScript in your life.

Created by: Kalob Taulien

Last updated January 2021

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What you will learn

  • JavaScript
  • Programming fundamentals
  • Moderns JavaScript concepts like let, const, forEach functions, fat arrow functions and more
  • Moderns JavaScript concepts like template literals, object literals and more

How it compares

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

  • Rating4.6 out of 5higher than 70% of them
  • Reviews166#176 of 240 by number of reviews
  • Length2.8 hoursshorter than 72% of them
  • Last updatedJanuary 2021earlier than 66% of them

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Course Description

JavaScript 101: JavaScript for absolute beginners

If you have never written any JavaScript, this course is absolutely for you.

We're going to get started at the very beginning, even if you don't have a code editing program installed on your computer.

The short version:

Look, here's the short version:

If you are interested in learning JavaScript from scratch, this is the course for you. Try it out on Udemy, there's nothing to lose if you don't like it.

Beginner friendly:

This course is designed for beginners. You should already know some HTML and a little CSS at this point and that will make learning JavaScript a lot easier.

JavaScript is nothing like HTML or CSS though because JavaScript is a REAL programming language, whereas HTML and CSS are not programming languages.

Modern JavaScript included:

Just because this is a beginner-friendly course doesn't mean you shouldn't learn the ins-and-outs of modern JavaScript. You will learn about modern JavaScript concepts such as:

  1. let/const variables

  2. template literals

  3. fat arrow functions

  4. forEach function-based loops

  5. object literals

  6. node selectors and query selectors

  7. and much more

Practice:

There is A LOT of practice (hands on coding) in this course. And you'll be writing code from the very first lesson! 

Plus there's a very interactive project at the end of this course.

In this course you will learn these major concepts:

  • JavaScript syntax

  • Where to put your JavaScript and how it affects your page

  • How to debug your JavaScript using developer tools (Inspect tools, console logging, and more)

  • Storing variables with var, let, and const JavaScript variable types (Variables)

  • How to tell a computer what to do based on certain circumstances (Conditionals)

  • The Document Object Model (DOM)

  • Making custom sentences with string concatenation and template literals

  • Data types and structures and why they're important (Data structures)

  • How to make lists and take an action on every item in that list (Iteration)

  • How to select elements on your web page and change them

  • Functions, function parameters, and how to use JavaScript rests

Final Project:

Lastly, there's a final project that will make use of almost everything you will have learned in this course.

Requirements:

To start learning JavaScript you should know a little HTML and CSS. These aren't hard requirements, but I strongly suggest knowing the basics of HTML and CSS before learning JavaScript.

JavaScript is how you make your page interactive, so you'll need to know how to make a basic webpage first.

  • Basic HTML

  • Basic CSS 

Who is JavaScript 101 for? 

If you've never written any JavaScript in your life, this course is for you.

If you just finished learning HTML and CSS, this course is for you.

If you want to learn modern JavaScript in an easy way, this course is for you.

If you want lots of hands on practice writing JavaScript, this course is for you.

––

If you already know JavaScript, this course is NOT for you.

If you know about features such as fat arrow functions and object literals, this course is NOT for you.

If you already know how to manipulate the DOM using JavaScript, this course is NOT for you.

Testimonials

I've produced several JavaScript courses with a total of over 80,000 JavaScript students. Here are what some of them have to say about my other courses (and you can trust this course will be even better because it's new!)

  1. "Almost there. A lot to learn and Kalob makes it easy and interactive with the video and files. But he also pushed you to try it on your own for homework and mini projects."

  2. "Its a great course! Love the way Kalob teaches, very clear understanding. Thank you for this course, really needed something like this."

  3. "It was a great, this is the first time to find Java Script easy to learn"

  4. "I have a computing degree (4years), none of my teachers were this clear!! Thank you"

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Instructor Details

Kalob Taulien

He is a professional web developer who's been developing websites and working with startups since 1999. He also has a broad set of skills in software, web development, and information technology.

Teaching over 450,000 students on Udemy alone, he's helped hundreds of thousands of people learn web development. From zero to hero and novice to ninja, he's considered a top teacher by thousands. With so much experience, why not give his experience and knowledge to others so they can fulfill their dreams?

The passion to learn and to share his knowledge by teaching and helping others is something that drives him. It's a passion he's had since he was born. Kalob's ability to turn complex programming concepts into easy-to-understands bits of knowledge has been called his "superpower". 

Throughout the years, Kalob has built hundreds, if not thousands, of websites, and has created multiple companies from his ideas and software. He also provides one-on-one coaching and startup consulting to new organizations. 

Teaching isn't an option in Kalob's life, but a moral obligation to pass on knowledge to others.

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Reviews

4.6

166 ratings on Udemy

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

By Donna Kimmel on 5/30/2025

codepen tour disappeared. back top course codepen has syntax error before writing hello world. can get the 4 hi's to print on a little embed wiindow

By Shail V on 6/19/2023

It is not yet clear to me after learning this course, how am I going to use Java script while developing a website. You must show how and where Java Script is used while developing a website.

By Diego Calzada on 12/21/2022

I've been able to grasp everything so far. I love the way you go about teaching. I have taken your html and css course and learned a lot from them. You're a great teacher Kalob.

By Mahtamun Fahim on 1/16/2021

Mr. Kalob is one of the best instructors online that you can find. Thank you Mr. Kalob for this superb JavaScript101 course.

By St-Germain Marie-Sole on 1/6/2021

Kalob is my best! Right to the point, clear, concise. I'm so grateful to have access to his courses, also a great mention to his constant presence on his Facebook group!

By Oğuzhan Özdemi̇r on 12/7/2020

I was always wondering about usage of console while I was learning HTML and CSS. My questions are totally answered. It is time to move Kalob's other 2 JavaScript Lessons.

By MD. MAHIBUR RAHMAN on 11/19/2020

I have taken other courses taught by Kolab. As soon as I got the email, I signed up for this course. I am really looking forward to working on this course which is for complete beginners javascript. Kolab has a great teaching style, and he is extremely knowledgeable and funny too. It looks like he has raised the bar with this course! I highly recommend this course for anyone interested in learning javascript who is the ultimate beginner. Thanks, Kolab for making this course. I learned a lot from this course

By Charles Ikenye on 11/17/2020

i love how detailed oriented the teacher is and one is able to learn with ease

By Snazzy Sensei on 11/17/2020

Knowledgeable instructor, great teaching methods, clear and concise explanations sorta sums up this course. Oh and he keeps on pushing you with "homework" and quizzes. The best part is the last project which is to find and fix a problem on a js file on a website. It kinda feels more real than just fixing a random practice file if you know what I mean.

By Ryan Avejar on 11/16/2020

Definitely another 5* course from Mr. Kalob. He is one of the best instructors online that you can find. I'm also a member of his growing community on facebook and I am sure you'll gonna enjoy his courses including this brand new one!. Thank you Mr. Kalob for this superb JS101 course.

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Overall Score : 92 / 100