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Modular Programming with JavaScript

You're reading from   Modular Programming with JavaScript Modularize your JavaScript code for better readability, greater maintainability, and enhanced testability

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Product type Paperback
Published in Jul 2016
Publisher Packt
ISBN-13 9781785880650
Length 274 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (12) Chapters Close

Preface 1. What Are Modules and Their Advantages? FREE CHAPTER 2. Review of Important JavaScript OOP Concepts 3. Module Design Pattern 4. Designing Simple Modules 5. Module Augmentation 6. Cloning, Inheritance, and Submodules 7. Base, Sandbox, and Core Modules 8. Application Implementation – Putting It All Together 9. Modular Application Design and Testing 10. Enterprise Grade Modular Design, AMD, CommonJS, and ES6 Modules Index

The order of things in module augmentation


When we added Modules_2.js file to our index.html, I mentioned that we need to load this file after we load Modules.js file for things to work properly.

The reason for this is not hard to discover. If the order of loading these files is reversed, and subsequently the order of the code execution, we will be trying to add properties to an object (ImagesInc_GlobalData) that does not exist yet, which will result in a code execution error.

There are ways that we can work around this, which brings us to our next topic, loose augmentation.

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