Chapter 8. HTML5 Communication APIs
At this point in the book, it is already clear that HTML5 offers many new tools to create applications that interact in a more native manner with the server.
In this chapter, we look at the techniques and solutions for avoiding browser sandbox security limitations, and we use a new technique to create documents that communicate from different domains (cross-document messaging), which involves the use of the postMessage API. You will learn what Cross-Origin Resource Sharing (CORS) means and how to use it. Quite simply, CORS is a browser technology specification that defines ways for a web service to provide interfaces for sandboxed scripts coming from different domains under the same origin policy.
Next, we explore ...
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