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copied!<blockquote> <p>In HTML 5 is there any support for things which are really easy to do in Silverlight?</p> </blockquote> <p><a href="https://meta.stackoverflow.com/search?q=subjective+and+argumentative">See this</a></p> <blockquote> <p>For example, ripping a file (chosen by the user) into an array of bytes</p> </blockquote> <p>Yes. <a href="https://developer.mozilla.org/en/DOM/FileReader" rel="nofollow noreferrer">See this</a></p> <blockquote> <p>that can be base64 encoded </p> </blockquote> <p><a href="http://www.google.com/search?aq=f&sourceid=chrome&ie=UTF-8&q=javascript+base64+encoding" rel="nofollow noreferrer">Google</a></p> <blockquote> <p>and passed up to a web service?</p> </blockquote> <p><a href="http://www.w3.org/TR/XMLHttpRequest/" rel="nofollow noreferrer">XMLHttpRequest</a> still works.</p> <blockquote> <p>Or, creation/reading of an image and being able to manipulate the pixels and display this on screen? </p> </blockquote> <p>Yes. Combine <code>FileReader</code> with <a href="https://developer.mozilla.org/en/Canvas_tutorial/Using_images" rel="nofollow noreferrer">canvas</a>.</p> <blockquote> <p>Or even save it to disk (location chosen by the user)?</p> </blockquote> <p><strike>Sorry, not possible.</strike> No longer the case! See <a href="https://stackoverflow.com/a/4551467/1276410">this.</a></p> <blockquote> <p>If so, which browsers would support this</p> </blockquote> <p>I know Firefox does, but <a href="http://www.html5rocks.com/tutorials/file/dndfiles/#toc-reading-files" rel="nofollow noreferrer">try this</a> on other browsers. See what works and what doesn't.</p> <blockquote> <p>and are the APIs consistent?</p> </blockquote> <p>Yes. These are called <a href="http://dev.w3.org/html5/spec/Overview.html" rel="nofollow noreferrer">standards</a> for a reason.</p>

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