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This is the best Udemy JavaScript Design Patterns: 20 Patterns for Expert Code coupon code discount for 2026.

So if you’re interested in Packt Publishing’s “JavaScript Design Patterns: 20 Patterns for Expert Code” course, which will help you increase your Development skills, get your discount on this Udemy online course up above while it’s still available. (The coupon code will be instantly applied.)

JavaScript Design Patterns: 20 Patterns for Expert Code review for 2026

In our review of this course, we try to help you answer all of your most important questions about JavaScript Design Patterns: 20 Patterns for Expert Code as quickly and efficiently as possible, so that you can determine whether this online education training is worth your time and money.

Feel free to jump to whatever question you want answered the most.

Here’s what you’ll learn:

Why use JDP2PFEC as an abbreviation of the course name?

During our JavaScript Design Patterns: 20 Patterns for Expert Code course review, you might sometimes see us refer to it as JDP2PFEC for the following 2 reasons:

1. We created the acronym by taking the first letter of every word (which was very ingenious and innovative, we know)
2. We’re lazy and JDP2PFEC is simpler and easier for reviewing purposes

The full course name is 55 characters long, including blanks, while JDP2PFEC is 8 characters long.

You do the math.

Okay, we’ll do the math. We’re saving 47 characters every time we use JDP2PFEC.

So, just a heads up that we’ll be using this abbreviation sometimes, so you’re not left scratching your head and wondering what the heck we’re talking about whenever we refer to JDP2PFEC throughout the remainder of this review.

Is the JavaScript Design Patterns: 20 Patterns for Expert Code course for you?

To determine whether Packt Publishing’s Udemy course is a good fit for you or not, ask yourself the following questions down below.

The more you answer “yes” to each question, the more likely it is that you’ll like this course.

Can you understand what Packt Publishing’s course is about in 30 seconds or less?

Hopefully, you can easily grasp in 10 seconds or less what this online course is about simply by taking a look at the title that Packt Publishing chose for the course, “JavaScript Design Patterns: 20 Patterns for Expert Code”, as well as its subtitle: “Dive deep into JavaScript design patterns to write brilliant code for a wide array of real-world programming situations”.

This combo of title and subtitle should be enough to communicate the purpose of the training if Packt Publishing is a good, clear communicator (which, of course, you want in a teacher).

In our opinion, if you still don’t know what JDP2PFEC is about after looking at these two things, then this is a red flag, and you might be better off not taking this class.

Among other things, it means Packt Publishing hasn’t clearly and accurately conveyed what the course is about and might not be the best teacher for you.

For similar reasons, it’s important that you’re able to clearly understand what JavaScript Design Patterns: 20 Patterns for Expert Code is all about from the first few lines of the course description.

So take just a few seconds to read the opening lines down below and see what you think of them. 

Opening lines of Packt Publishing’s official description of JDP2PFEC

Design patterns are intelligent, reusable strategies for solving common development problems faced by developers. For Web developers working with JavaScript, design patterns provide a tested, methodical plan of attack for tackling challenges that arise in real-world application development.

JavaScript Design Patterns 20 Patterns for Advancing Your JavaScript Skills will immerse you in the world of intelligent JavaScript programming, demonstrating to Web developers how to mobilize design patterns and presenting key programming concepts and common solutions to frequently occurring programming problems.

Exploring 20 different design patterns, this video course demonstrates the internal logic of each, while providing examples and real-world scenarios that developers can adopt and implement when programming in JavaScript.

(Read more about this course on the official course page.)

Does JDP2PFEC pass the 30 Seconds Test?

You can read a lot more about JavaScript Design Patterns: 20 Patterns for Expert Code on the official course page on Udemy, but the point is this: are the title, subtitle, and just the first few lines of the description enough to help you understand what the course is about?

If so, Packt Publishing has done a good job and can be considered more trustworthy and a good communicator, which are important qualities for any teacher.

And, if not, maybe you’re better off looking at other Development classes that are more clearly defined and more tailored to your specific interests.

Did JavaScript Design Patterns: 20 Patterns for Expert Code appeal to you in 30 seconds or less?

Now that you’ve done the 30 Second Test with JDP2PFEC above, what is your gut reaction to this Development course with only the basic information of its title, subtitle, and the first few opening lines of its official course summary?

Did Packt Publishing do a good job conveying its subject matter, and did it immediately get your attention and appeal to you?

If so, Packt Publishing’s online course is certainly worth considering some more.

But if not, perhaps it’s in your best interest to consider some other Development courses instead, because clear communication and being able to hook and maintain your interest are two very important qualities for your online learning success.

Does Packt Publishing sound like a course instructor you’d like to learn from?

You’ve already learned how to use The 30 Second Test to make a quick evaluation of whether the JDP2PFEC course is worth taking.

We have a similar 15 Second Bio Test where you read only the first few lines of an instructor’s background — in this case, Packt Publishing’s background — and then you make a quick, snap judgment as to whether you think the instructor would be ideal for you.

There is no right or wrong answer. It’s just about going with your gut instinct. What might appeal to one potential student might alienate another, and vice versa.

(FYI, all Udemy instructors, including Packt Publishing, have a Udemy profile on their course page, so you can easily check for a bio and background on the Udemy website that way. We’re only including the first few lines of the bio down below for The 15 Second Bio Test).

Opening lines from Packt Publishing’s Udemy bio

Over the past ten years Packt Publishing has developed an extensive catalogue of over 2000 books, e-books and video courses aimed at keeping IT professionals ahead of the technology curve. From new takes on established technologies through to the latest guides on emerging platforms, topics and trends – Packt’s focus has always been on giving our customers the working knowledge they need to get the job done. Our Udemy courses continue this tradition, bringing you comprehensive yet concise video courses straight from the experts.

(Learn more about this instructor on the official course page.)

What did you think about Packt Publishing after reading just the first few lines of the bio above?

After reading just the first few lines about Packt Publishing, did it make you more or less interested in taking the JDP2PFEC course?

And did it make you feel like Packt Publishing was more or less credible and qualified to teach JavaScript Design Patterns: 20 Patterns for Expert Code?

Finally, overall, did you feel like you’d receive the proper training from the instructor of this Development course?

As always, we encourage you to listen to your gut instinct, which is different for every student.

Are the JDP2PFEC lessons clear, specific, and organized well?

Part of the (good) problem with Udemy’s online courses, such as the JavaScript Design Patterns: 20 Patterns for Expert Code course, is that the instructors are constantly updating them, including adding and renaming lessons.

So it makes no sense whatsoever for us to list out all the modules and lessons in the JDP2PFEC course here, because you can just as easily go to the Udemy course page and get all the up to date course structure as of right now.

We do, however, have some tips about reviewing Packt Publishing’s course structure, so that you can get a better sense of whether this program is worth your time or not.

In a nutshell, you want to scan the the titles of the different sections and lessons of the course, and verify that they are clearly relevant to the course’s name, JavaScript Design Patterns: 20 Patterns for Expert Code, as well as the course’s subtitle, Dive deep into JavaScript design patterns to write brilliant code for a wide array of real-world programming situations.

If the section names and lessons are clear, specific, and relevant, then it’s a good sign that JDP2PFEC is potentially a good, useful course for you, and you can have more confidence in Packt Publishing’s teaching abilities and lesson planning.

On the other hand, if the module names are confusing, vague, or irrelevant, then this is a red flag, which might indicate that the program is worth skipping.

Have you taken some free lessons from Packt Publishing that you enjoyed?

Have you already learned something from Packt Publishing that you valued or enjoyed?

For example, does the JavaScript Design Patterns: 20 Patterns for Expert Code training have some free lessons that you can try? (Almost all Udemy instructors will give you at least one or two lessons for free to help you make a better, more informed decision before enrolling in their course.)

But if you weren’t able to get any JDP2PFEC lessons for free, have you perhaps watched a YouTube video by Packt Publishing, or perhaps come across this instructor’s thoughts on Quora, Facebook, LinkedIn, Github, Reddit, or some other platform?

Or have you perhaps even taken one of Packt Publishing’s free courses or free webinars? (Many online teachers offer these freebies, which is a great way to get to know them and evaluate their teaching methods before buying one of their courses.)

In any case, the more familiar you are with Packt Publishing’s teaching methods, and the more you enjoy them, the more likely it is that JavaScript Design Patterns: 20 Patterns for Expert Code will be a good fit for you.

(P.S.: We strongly encourage you to seek out some free instruction from Packt Publishing before purchasing this course, since it’s one of the best ways to determine whether JDP2PFEC will be helpful for you.)

Are “JavaScript Design Patterns: 20 Patterns for Expert Code” reviews generally positive?

On the bottom of the JDP2PFEC page, you can read student reviews of the class.

Prior to October 26, 2026, there were 1,888 students enrolled, 662 reviews / ratings, and it was overall rated 4 out of 5.

Obviously, the more highly other students rate JDP2PFEC the better, but no matter what, keep an open mind when reading the reviews, since you might still like a course a great deal that other students dislike.

After all, everyone’s got their own opinion.

We recommend that you spend only a couple minutes scanning the JDP2PFEC reviews to get an overall sense of them. You don’t have to read each one!

Is Packt Publishing responsive to student questions in the JDP2PFEC training?

You can see what other students have to say about this in their JDP2PFEC reviews.

But, our simple all time favorite way of gauging an instructor’s responsiveness is to simply email the instructor and see if or how they respond.

In this case, Udemy has a messaging system for students / anyone who has an account, and you can send Packt Publishing a message through this system quite easily, even if you haven’t bought JDP2PFEC yet.

For example, you could say, “Hi, and I came across JDP2PFEC while looking at Development courses on Udemy. If I enroll in your training, would you mind if I asked you any questions along the way?”

If you use this approach, the response (or lack of response) from the professor will tell you everything.

Obviously, the quicker the response the better!

Are you comfortable going through the lessons in JavaScript Design Patterns: 20 Patterns for Expert Code on your own, online?

This is a big one, because JavaScript Design Patterns: 20 Patterns for Expert Code is an online course as opposed to a course that you physically take in a classroom.

Of course, you will need a good internet connection to have access to the course material and lessons, but beyond that, you also have to be comfortable being self motivated to some degree, being on your own, and not having any physical interaction with any of the other students taking JavaScript Design Patterns: 20 Patterns for Expert Code.

Yes, you will be able to interact with the students and the teacher, Packt Publishing, online, but it’s a different kind of experience than what you’d get if you were interacting with them in person.

This is not a big deal to most people, but it might be something for you to consider if you feel like you do better taking classes in person rather than learning online.

Do the pros / benefits of JDP2PFEC make it worth your time?

Ideally, if you’ve gone through the evaluation steps above, you have a list of positive things about the JavaScript Design Patterns: 20 Patterns for Expert Code training that looks something like this:

• The purpose of JDP2PFEC can be clearly grasped and understood, and its lesson structure is clear, specific, and well organized
• Packt Publishing is well qualified to teach this subject matter, has good teaching abilities, and is responsive to student questions
• Other JDP2PFEC students have great things to say about the program

Other benefits include:

• You get to go through JDP2PFEC at your own pace
• You join a community of 1,888 other students taking the course
• You get lifetime access to the training
• All updates to the training are free
• You have a 30 day money back guarantee

Even if there are some things that you don’t like about the program, so what?

The question is simply this: do you think that JDP2PFEC would be worth your time, even if there are some things that could be better about it?

Can you comfortably afford JDP2PFEC?

Can you comfortably afford the cost of JavaScript Design Patterns: 20 Patterns for Expert Code?

This is an important question to answer, because even if you think JDP2PFEC sounds like the greatest online class in the world, it’s still not worth taking if you can’t comfortably afford it!

Before October 26, 2026, the price was $12.99 before any Udemy discount, and you were able to pay with a credit card.

Keep in mind that this is a Udemy online course, and there’s a great chance that you can get a solid discount on JDP2PFEC with Udemy coupons / promo codes, especially with the strategies we provide for helping you find the best, most popular coupons available.

We’ll cover that in greater detail in the next section, because at the end of the day, its important that you can learn whatever you want to learn without getting into a lot of credit card debt.

How can you maximize your discount on JavaScript Design Patterns: 20 Patterns for Expert Code?

By far, the easiest way to get the best and biggest discount on this course is to use the JavaScript Design Patterns: 20 Patterns for Expert Code discount code link at the top of this page.

It will instantly give you the best coupon code we could find for Packt Publishing’s online training.

We don’t believe there’s a bigger discount than the one we provided, but if for some reason you’d like to try find one, you can use the methods below to hunt for the best JDP2PFEC course coupons and promo codes you can find.

FYI, the methods below will help you not just with getting JDP2PFEC for a better price, but also with any other Packt Publishing Udemy course that you’d like to get for cheaper.

How can Google help you get a JDP2PFEC discount?

To use this method, do a Google search for the JDP2PFEC training, but in your search query, be sure to add words like coupon code, promo code, deal, sale, discount, and Udemy.

For example, you might do a search for “Udemy JavaScript Design Patterns: 20 Patterns for Expert Code promo code” or “JavaScript Design Patterns: 20 Patterns for Expert Code udemy coupon codes” and see what turns up.

Similarly, you can use the same combination of search terms with Packt Publishing’s name and see what happens.

For example, you might do a Google search for “Packt Publishing Udemy coupons” or “Packt Publishing course coupon codes” and see if that helps you.

However, in general, it’s far more powerful to do a search for deals and coupon codes with the actual training’s name, than with the instructor’s name.

So in this case, for example, prioritize searches for “JavaScript Design Patterns: 20 Patterns for Expert Code coupons” rather than “Packt Publishing coupons”.

How can a Udemy sale get you JDP2PFEC for cheaper?

Every once in while, Udemy will do a sitewide sale where they offer all (or almost all) their courses at a discounted price. For example, one of the best sales is where every course is only $10 or $9.99.

So, if you’re interested in saving as much money as possible, you could wait and see if you can get JDP2PFEC for this cheaper Udemy sale price one day.

The problem is that these sales only occur sporadically, so you might be waiting for a while. Also, if Packt Publishing decides not to participate in the site wide sale, then you won’t get a discount on JDP2PFEC, even though you could get a great discount on almost any other class at Udemy!

To understand this, think of there as being two different coupon categories for the JDP2PFEC course. Category one is an official Udemy coupon (which instructors can opt out of), while category two is a coupon offered directly by the instructor.

At the end of the day, it doesn’t matter what kind of a coupon tag you’re dealing with (for example, “officially from Udemy” or “officially from the instructor”), as long as long as as you’re dealing with active coupons that get you a better price.

How can you get a JDP2PFEC discount from Packt Publishing?

If you’re really serious about getting “JavaScript Design Patterns: 20 Patterns for Expert Code” for the cheapest price possible, then perhaps one of the most powerful things you can do is get a coupon code straight from Packt Publishing, instead of waiting for a Udemy sale.

To do this, you can use either the direct approach or an indirect approach to try to get your discount.

With the direct approach, the big idea is to simply get Packt Publishing’s contact info in some way or another (whether it’s email, or Twitter, or whatever else).

Then you send a message saying something like “I’m interested in enrolling in JavaScript Design Patterns: 20 Patterns for Expert Code. Do you happen to currently have an active coupon code for it that I could use?” (And then, hopefully, you’ll get a reply with your discount code.)

On the other hand, with the indirect approach, you join Packt Publishing’s mailing list, if you can find it, and then you hope that at some time JDP2PFEC will be promoted to you at a discount.

By far, the more powerful approach is the direct approach, because it tends to get results faster. But you can experiment with the indirect approach and see if it works for you.

Can you get JDP2PFEC for free?

Of course, the best possible price for the JDP2PFEC training is free! As in, you pay no money whatsoever.

And guess what? Sometimes Udemy instructors provide coupon codes that enable students to take their courses for free. So, perhaps it’s possible that Packt Publishing has done this.

Basically, if you’re trying to get this program for free, you will want to search for the course’s name along with other words like free coupon, or 100 off coupon.

For example, you might do a google search for “JavaScript Design Patterns: 20 Patterns for Expert Code free coupon” or “JavaScript Design Patterns: 20 Patterns for Expert Code 100 off coupon” and see what happens.

But keep this in mind: often, Udemy teachers will offer a free coupon for their course when it first opens to get some publicity and reviews. And then, after a few days, they’ll make the coupon expired.

So even Packt Publishing has offered free coupons for JDP2PFEC in the past, the odds are likely they will all be currently expired. This is a common pattern that we have found.

What about a JDP2PFEC free download?

It’s important to understand that there’s a difference between getting full access to the JDP2PFEC training for free legally with a free coupon code vs. finding a way to download JDP2PFEC illegally.

If you really want to go the download route, you can do a google search for something like “JavaScript Design Patterns: 20 Patterns for Expert Code download”.

And if that doesn’t get you the results you want, you can add the word “free” to your search.

For example, perhaps you could do a google search for “JavaScript Design Patterns: 20 Patterns for Expert Code free download”.

However, even if you get some results from these searches, we do not recommend that you take this course of action.

First of all, there are some shady sites out there that could be trying to infect your computer.

Second, Packt Publishing created this course and deserves monetary compensation for it.

And third, if you go the free download route, you’ll be missing out on a lot of value, because you won’t be able to ask the instructor questions or interact with the other 1,888 students enrolled in the program.

Can you get a refund on JavaScript Design Patterns: 20 Patterns for Expert Code if you don’t like it?

Let’s say that you used our tips above, and you were able to buy the JDP2PFEC training at a fantastic discounted price. So at this point, you’re super excited.

Then, you actually dive into Packt Publishing’s course, and you discover that it just isn’t for you for whatever reason.

And now you’re super bummed, because you feel like it wasn’t money well spent.

Well, guess what?

Udemy offers a rock solid 30 day money back guarantee on all their courses, so you can get a refund on JDP2PFEC no matter what. And this means there is absolutely no risk.

Indeed, even if you left a super negative, critical review on the JDP2PFEC training, and then asked for your money back, you’d get a refund. For better or worse, there’s nothing Packt Publishing could do about it, since it is simply Udemy policy.

To sum it up: yes, you can get a full refund, so at the end of the day, don’t worry about the possibility of purchasing JDP2PFEC and not liking it, since you can always get your money back.

What is OCP’s overall rating of JavaScript Design Patterns: 20 Patterns for Expert Code?

During this JDP2PFEC review, you’ve learned about some of the unusual ways we like to evaluate courses, such as with The 30 Second Test and The 15 Second Bio Test.

So our overall review process is perhaps a little unusual and different from other reviews out there. Keep this in mind when you consider the overall rating / score that we have given this course.

Anyway, after taking a look at the JDP2PFEC training, the instructor, Packt Publishing, and reading what other students have said about this program, we give it an overall rating of 4.4 out of 5.

Ultimately, though, what matters most is what you would rate it based on the same criteria.

What are some potential alternatives to JavaScript Design Patterns: 20 Patterns for Expert Code?

If you like this course, you might also be interested in:

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1. C++ : Complete training from beginners to advance in C++

Learn intermediate level c++ programming

Taught by Ankit Shrivastava, Web development trainer, IT Consultant

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2. Complete Java basics for beginners start to finish

If you are new to java programming then this course takes you through every basic thing in Java

Taught by Usman Raoof, Software Engineer and Web Developer

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3. Learn Construct 2: Creating an RPG in HTML5!

Jumpstart your RPG today! Learn how to fuel your own creativity by understanding these core principles. C2 will amaze!

Taught by Jeremy Alexander, Author // Animator // Game Designer // Web Developer

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4. Make an HTML5 Jetpack Game From Scratch with Construct 2

Beginner game developers can create a multi-platform jetpack game in HTML5 in 2 hours using Construct 2 with free assets

Taught by Knowledge Base, Skills for Independent Creatives

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5. Java Essentials for Android

Learn Java for Android development. No experience required. Includes web-based exercises.

Taught by David Janzen, Cal Poly CS Prof, Corporate Trainer

TLDR: Just the quick facts about JDP2PFEC

Okay, if all of this was Too Long Didn’t Read for you, here is the Cliff’s Notes version of what JDP2PFEC’s online training is all about:

JDP2PFEC coupon & course info

Course Name: JavaScript Design Patterns: 20 Patterns for Expert Code

Subtitle: Dive deep into JavaScript design patterns to write brilliant code for a wide array of real-world programming situations

Instructor: Taught by Packt Publishing

Category: Development

Subcategory: Web Development

Provided by: Udemy

Price: $12.99 (before discount)

Free coupon code: Get Udemy coupon code discount at top of page (no charge for coupon, especially since we are compensated for referrals via affiliate marketing)

JDP2PFEC review info & popularity

Prior to October 26, 2026…

Students: 1,888 students enrolled

Ratings: 662 reviews

Rank: ranked #601 in Udemy Development Courses in Udemy Development Courses

Rankings tip: rankings change all the time, so even if JavaScript Design Patterns: 20 Patterns for Expert Code is a bestseller or one of the top Udemy courses one year, it doesn’t mean it will be a top Udemy course the next year

JDP2PFEC final details

Languages: English

Skill level: Expert

Lectures: 26 lectures lectures lessons

Duration: 3.5 total hours hours of video

What you get: Master the logic behind the major design patterns, and wield them confidently for JavaScript programming

Target audience: This video course is for the JavaScript developer with a good understanding of the fundamentals of the language, and with prior experience of building Web applications

Requirements: This video course is for web developers who have a strong foundation in JavaScript with familiarity in Object-oriented JavaScript as well. It will help you create a strong foothold into the world of design patterns to integrate them into your workflow.

Access: Lifetime access

Peace of mind: 30 day money back guarantee

Availability: available online, as well as on iOS and Android

Download options: check course to see if you can download lessons