Learn Intermediate and Advanced JavaScript

»feb. 25 2013 26

(Learn Intermediate and Advanced JavaScript Concepts and Techniques in 2 Weeks)

You have completed this course: Learn JavaScript Properly (For NON-JavaScript programmers and First-time Programmers)

Or you already know the following JavaScript concepts well:
— Simple Data Types, Reference Types, Operators, and Objects (in Detail)
— Variable Scope and Hoisting, Expressions, Statements, and JSON
— DOM, The Window Object, JavaScript Events, and Handling Errors
— Functions, Function Properties, Function Expression, and AJAX
— Basic Regular Expressions and Modules

2 Weeks

Become an Elite/Highly Paid Specialized Software Engineer (Frontend, Fullstack, etc.)

Within 8–10 Months, Earn MORE than the Avg. New CS Graduate Earns.

New Prices (Monthly Subscription):
Basic: $250/month, Pro: $350/month, Premium: $600/month

By the founder of JavaScriptIsSexy

I submit to you an instructive course on intermediate and advanced JavaScript. The skills you will learn in this course of study will free you from the constrains of using the limited JS techniques you have been using to develop JS applications, and they will give you new insights and new techniques—a Jedi’s temperament and stature—to program JS applications with ease, efficiency, and precision.

If you are new to JavaScript and you are an experienced programmer in another language such as Java, Python, ActionScript, Rails, and PHP, it is important that you learn JavaScript properly. JavaScript has many idiosyncrasies and uncommon concepts that you must know well before you follow this Intermediate to Advanced JavaScript course.

What Topics Compose “Intermediate and Advanced JavaScript”?

Intermediate and Advanced JavaScript topics include:
— Debugging JS in the browser, Object-oriented JavaScript
— Advanced Functions: Callback functions, Bind, Curry, IIFE (Immediately Invoked Function Expression)
— Asynchronous execution, timers, Prototypal Inheritance, and Closures
— JavaScript Design Patterns, Object Creation Patterns, and Code Reuse Patterns
— Code Minification and Compression, Loading Strategies, and Dependency Management

Why Should I Learn Advanced JavaScript?

If you work as a font-end developer or you plan to develop JavaScript applications, libraries, or frameworks, it is essential that you understand the aforementioned advanced JavaScript topics, because you will not be able to develop complex JavaScript applications without knowing them.

Moreover, when you are familiar with all the best JavaScript techniques, even if you don’t remember how to use them, you can easily look them up and use them in powerful ways to make your application run faster, load faster, use less code, reuse code, and perform optimally. Overall, you will use JavaScript as a Jedi would a lightsaber—you will easily vanquish every JS challenge with ease , eliminate bugs with relish, and execute tasks in an instant, compared with your previous apprentice self

Resources For This Course

We are using 2 books; fear not, both books are short reads. So the reading is relatively light; we can carry on with our weekly customs as we study advanced JavaScript in 2 weeks. Here are the books we are using (the 2 books will cost just under $30):

Become an Elite/Highly Paid Specialized Software Engineer (Frontend, Fullstack, etc.)

Within 8–10 Months, Earn MORE than the Avg. New CS Graduate Earns.

New Prices (Monthly Subscription):
Basic: $250/month, Pro: $350/month, Premium: $600/month

By the founder of JavaScriptIsSexy

The Roadmap to Advanced JavaScript
You will learn just about all the JavaScript advanced techniques and details about JavaScript’s most important concepts that you will use often as a JavaScript Developer.

If you don’t have enough time to commit to read the books in 2 weeks, try to do it in no more than 3 weeks. The longer you take, the harder it will be for you to grasp and remember everything you will learn.

Get WebStorm, If You Don’t Have It

If you plan to be a JavaScript developer or use JavaScript often, you should take a break now and download a trial copy of WebStorm.

  • It is unquestionably the best editor (IDE) for programming JavaScript. It costs $49.00 when your 30-day trial period expires, but it is probably the best investment you will make as a JavaScript developer, besides buying the books you are using in this course and learning advanced JavaScript.
  • Make sure you set WebStorm to use JSHint. JSHint is “tool to detect errors and potential problems in JavaScript code and to enforce your team’s coding conventions.”[1].
  • Moreover, WebStorm is a world-class, professional-grade IDE for coding professional JavaScript web applications, so you will use it a lot. And it integrates Node.js, Git, and other JavaScript frameworks, so even after you have become a rock star JavaScript developer, you will be using it, unless a more compelling JavaScript IDE comes out in the next few months.
  • I should also mention Sublime Text 2, which is the next best JavaScript editor. But it is not as feature rich and complete (even with numerous add-on packages) as WebStorm. I use Sublime Text 2 to make small edits to files of different programming languages, including JS files. But I don’t use it to program full JavaScript web applications.

Week 1 (Essential JavaScript Techniques)

  1. Read the entire Effective JavaScript book.
    This is my favorite JavaScript book. Every page is packed with incredible tips and insightful techniques. I kept whispering, “A Ha,” on many pages.

    It provides you with 68 excellent JavaScript techniques and concepts that you need to know as a JavaScript developer.

  2. While reading the book, practice the concepts in WebStorm or your browser’s console to reinforce and completely understand the topics through hands-on practice. Simply trying to memorize everything you have learned without practicing is a great way to ensure you will forget them and never completely understand them.

Week 2 (Complete JavaScript Jedi Training)

  1. Since we are trained JavaScript apprentices, we needn’t develop an application while learning the advanced JavaScript techniques. We only have to know and understand all the advanced techniques, so we can whip them out and use them or look them up and use them, when the need arises.

    Read the entire JavaScript Patterns book.

  2. Optional: Since there are a few hours to spare this week, you should have enough time to watch Douglas Crockford’s Advanced JavaScript Videos. They are not too lengthy.

Further Reading

The following books provide additional advanced topics that you should know well if you do indeed want to be a an advanced JavaScript developer. Why come 90% of way, take it home the last 10% with the following books.

Final Words

JavaScript is a fun and lovable programming language, and with it, you will be able to quickly develop sophisticated web applications that hundreds of millions of users can use within hours of completion. There is much satisfaction from being a JavaScript developer, and indeed much pleasure. Share some of your newly acquired advanced JavaScript skills with others and be a good steward for advancing the web and creating applications that users love.

To become an advanced JS programmer you need to combine real-world programming experience at all levels and in various forms (developing disparate applications with myriad technologies, libraries and frameworks), and implementation of the advanced techniques learned. So it is imperative that you put the skills and techniques you have learned from this course into practice—when you are developing web applications.

Have fun developing and keep coming back, for there is still much for you to learn on JavaScriptIsSexy.com ;).


  1. aarsh

    Hey Richard I was wondering what your profession is. Are you a JavaScript developer or a web developer.

  2. John Apostle

    If you dont mind me asking, where do you work. Are you a freelancer or work at a company?

  3. Ben

    I really respect some of your posts on here, very concise and simple explanations of important topics. That being said, this ‘course’ seems to lack a little substance. At the onset you mention, “We are using 2 books.” Not as much as just reading them.

    Solid group of resources though.
    Much appreciated.

    • Richard Bovell (Author)

      I know what you mean: this post comparably is lacking in depth as compared with the “How to Learn JavaScript Properly” and other posts on the site.

      The reason is that this is a roadmap for advanced JS, and the two books are short reads, so there is not much to suggest besides to read the 2 books in their entirety.

  4. Just a note, Effective JavaScript is available in ebook format (epub, mobi, and pdf) on the informit website – http://www.informit.com/store/effective-javascript-68-specific-ways-to-harness-the-9780321812186

  5. sorry…iOkay, I added the eBook link. Thanks again, Erica.

  6. Soumen

    Do you recommend using brackets editor?

    • Richard Bovell (Author)

      I wasn’t familiar with Brackets until I read your comment. It looks very good. I will give it a spin, and if you like it, go ahead and use it to your heart’s content :)

  7. XSSAnonymous

    alert(‘XSS is possible’)

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