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In this course my goal was to give you a good understanding of the HTML5 messaging application programming interface. I've covered how the API works, how to setup the event handlers, how to send and receive data, and how to handle errors in your messaging applications. Using these features, you should be able to implement cross-origin scripting for your own applications. As with most of the HTML5 application technologies, the specifications for the HTML5 messaging API remains in flux. I suggest that you keep up with these changes in order to make sure that your code works with current and future browsers.
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Watch the Online Video Course HTML5: Messaging and Communications in Depth
43m 19s Intermediate Jan 23, 2012

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This course shows how to communicate between web pages, both within a single domain and across one or more domains, using the HTML5 Messaging API. Author Bill Weinman reviews security and the same origin policy, details cross-origin scripting techniques, and explores examples of cross-document messaging. The course describes how to register and send messages to listeners and handle errors.

Subjects:
Developer Web
Software:
HTML
Author:
Bill Weinman

Goodbye

In this course my goal was to give you a good understanding of the HTML5 messaging application programming interface. I've covered how the API works, how to setup the event handlers, how to send and receive data, and how to handle errors in your messaging applications. Using these features, you should be able to implement cross-origin scripting for your own applications. As with most of the HTML5 application technologies, the specifications for the HTML5 messaging API remains in flux. I suggest that you keep up with these changes in order to make sure that your code works with current and future browsers.

And be sure to check out the other HTML5 titles, as well as the excellent JavaScript Essential Training with Simon Allardice here on the lynda.com Online Training Library. As always, feel free to use my working examples as a starting point for your own applications, and I look forward to seeing what you do with the HTML5 messaging API in your own projects.

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