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HTML5 Programming for ASP.NET Developers by Bipin Joshi

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CHAPTER 9

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Dealing with Local Files Using the File API

It’s a well-known fact that for the sake of security and privacy, browsers don’t allow web applications to tamper with the local file system. Local files are used in a web application only when the user decides to upload them to the server using the HTML <input> element of type file. The title of this chapter may surprise you at first, because the term File API gives the impression of being a full-blown file-system manipulation object model like the System.IO namespace of .NET Framework. Obviously, the people behind HTML5 are aware of the security issues such an object model can create. So, ...

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