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Web Developer's Reference Guide

You're reading from   Web Developer's Reference Guide A one-stop guide to the essentials of web development including popular frameworks such as jQuery, Bootstrap, AngularJS, and Node.js

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Product type Paperback
Published in Mar 2016
Publisher
ISBN-13 9781783552139
Length 838 pages
Edition 1st Edition
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Authors (3):
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Joshua Johanan Joshua Johanan
Author Profile Icon Joshua Johanan
Joshua Johanan
Talha Khan Talha Khan
Author Profile Icon Talha Khan
Talha Khan
Ricardo Zea Ricardo Zea
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Ricardo Zea
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Toc

Table of Contents (17) Chapters Close

Preface 1. HTML Elements FREE CHAPTER 2. HTML Attributes 3. CSS Concepts and Applications 4. CSS Properties – Part 1 5. CSS Properties – Part 2 6. CSS Properties – Part 3 7. CSS Functions 8. JavaScript Implementations, Syntax Basics, and Variable Types 9. JavaScript Expressions, Operators, Statements, and Arrays 10. JavaScript Object-Oriented Programming 11. Extending JavaScript and ECMAScript 6 12. Server-side JavaScript – NodeJS 13. Bootstrap – The Stylish CSS Frontend Framework 14. jQuery – The Popular JavaScript Library 15. AngularJS – Google's In-Demand Framework Index

E4X – ECMAScript for XML


It is an extension in JavaScript for support of XML extension with JavaScript. By using E4x, it provides easy access for XML document by the DOM interface. It is a server-side technology used in Rhino and SpiderMonkey because these are powerful extensions by all browsers.

Before E4X, it was very difficult and time consuming for reading and writing in XML. In JavaScript, E$X provides XML document as a XML object, which represents XML fragments as a xmlList. E4X supports special kinds of XML objects. This technique is used in client-side programming.

Here is an example:

varstudent=<student>
<studentInfo>
<name>Ali</name></studentInfo>
</student>

If we enter this XML into our JavaScript code, the E4X interpreter will handle it as an XML object in your script.

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83
Tech Concepts
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Programming languages
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