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. Exercise files accompany the course.
Introduction
Welcome
Using the exercise files
1. Overview
Overview of HTML5 messaging
Security and the same-origin policy
An example application
2. Event Listeners
Registering a listener
Sending messages to a listener
Handling errors
3. Cross-Document Messaging
An interactive example
Exploring the example code
Conclusion
Goodbye
And
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