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Node Web Development - Second Edition

You're reading from   Node Web Development - Second Edition JavaScript is no longer just for browsers and this exciting introduction to Node.js will show you how to build data-intensive applications that run in real time. Benefit from an easy, step-by-step approach that really works.

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Product type Paperback
Published in Jul 2013
Publisher
ISBN-13 9781782163305
Length 248 pages
Edition Edition
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Author (1):
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David Herron David Herron
Author Profile Icon David Herron
David Herron
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Table of Contents (17) Chapters Close

Node Web Development Second Edition
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
1. About Node FREE CHAPTER 2. Setting up Node 3. Node Modules 4. HTTP Servers and Clients – A Web Application's First Steps 5. Implementing a Simple Express Application 6. Data Storage and Retrieval 7. Multiuser Authorization, Deployment, Scaling, and Hosting 8. Dynamic Interaction between the Client and Server Application 9. Unit Testing Index

Events between the Notes server and client code


Socket.IO extends the EventEmitter concept to allow communication, across the network, between the server and client. Before implementing our code, we must know which events our application will require for communicating transactions between the server and client. The exact events for a given application of course are determined by the application needs.

The real-time functions we'll add to Notes will be in the main page, and in the noteview page. In both cases, there are opportunities for someone else to add, modify, or delete a note which in turn means updating other clients of the change.

With that in mind, ponder over these events:

  • notetitles: This event is sent by the Notes home page, from the browser, when it wants to refresh the list of notes. The home page is to send this event when it wants to update itself with the list of note titles. This way as Notes are created, updated, or deleted, the home page can update itself.

  • noteupdated:...

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