Environment Principles Of Object-oriented Programming In Javascript Pdf


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Principles of Object-Oriented Programming in JavaScript. Nicholas C. Zakas. This book is for sale at If you're coming from a more traditional object-oriented language such as C++ or Java, JavaScript might seem like it's not object-oriented at all. After all. There are a number of schools of object-oriented programming, which differ slightly Our object-oriented system needs a way to capture the abstraction of a To generate a PDF file of a module, which you can print, click the Print(PDF) link.

Principles Of Object-oriented Programming In Javascript Pdf

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ISBN (paperback). 1. JavaScript (Computer program language) 2. Object-oriented programming languages. I. Title. QAJ39Z Principles of Object-Oriented Programming in JavaScript - Leanpub Keto Comfort Foods Maria Emmerich. If you've used a more traditional object-oriented language, such as C++ or Java, The Principles of Object-Oriented JavaScript and millions of other books are .. Eloquent JavaScript, 3rd Edition: A Modern Introduction to Programming.

Hiding implementation details to decrease complexity? Less rewriting code? More maintainable projects? Count me in! I started out learning programming concepts in Swift; the static typing and straightforward syntax made more complex OO concepts so much easier to grasp.

More maintainable projects? Count me in! I started out learning programming concepts in Swift; the static typing and straightforward syntax made more complex OO concepts so much easier to grasp. So when I, a mere newbie, dove into object oriented Javascript, I was like:.

So I decided to write this post with hopes to save others from the same confusion that I experienced. Note to reader: Constructing Objects. There are a surprising amount of ways you can create objects in JS. This is one of the things that confuses many at first.

Free PDF eBook: Object-Oriented JavaScript (Second Edition)

Good old object literals. No weird syntax here:. The advantages of using object literals to create objects include convenience, flexibility in declaration, and less code during declaration. There are definitely issues with object literals though. If you want to create two similar objects, you have to copy and paste the methods and properties and edit what you need changed. Factory functions are a good way to more effectively group properties and functionality into objects.

Check it out:.

Here, createPerson name returns an object literal that can now be used as a normal object. You can pass parameters to easily tweak objects you want to reuse with different properties. Factory functions provide an element of re-usability while retaining a lot of the flexibility you get with object literals.

These functions are the most conventional way to create objects that use functionality from each other using prototypal inheritance. What is prototypal inheritance, you ask? Let me show you using constructor functions. Take the Person object from the last two examples:. Here is where it gets interesting. I know this can be super confusing.

If you have any questions or would like clarity on how exactly prototypes work, please send me a message or comment and check out the docs at Mozilla. But then again, this is an entirely new experience with all kinds of new opportunities.

Object-oriented JavaScript for beginners - Learn web development | MDN

The book itself is intended to be focused on object-oriented programming in JavaScript. Specifically, how you create and modify objects. The book is published through Leanpub. In researching options for ebook development, I found a lot of different solutions.

Zakas N.C. The Principles of Object-Oriented Javascript

Many of them required some hands-on work in order to generate the three formats that all ebooks need to reach the largest audience: PDF, Mobi, and ePub. I was looking for a solution that would generate the three formats automatically without me needing to do anything special. I was also looking for a solution that would allow me to write the book in markdown. This has greatly sped up my writing as I worry less about formatting and more about the content.

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That I had to worry about how to sell the book. Should I open up a web store? What forms of payment will I accept? This is the part where I got stuck. I believe it was Cody Lindley who first suggested that I take a look at Leanpub. After about 5 minutes, I was convinced that this was the right solution for me. Leanpub not only generates all three formats directly from markdown, but they also setup a nice-looking page where people can learn more about the book and purchase it.

Another area of concern for me was the ability to update the ebook whenever I wanted. With ebooks, the process should be much faster, however how do you manage that process? Leanpub does that for you. That means I can make fixes or even add new content and everyone who already purchased the ebook will be notified and able to download a new copy quickly.

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