Can I write files with HTML5/JS?

Question

I wonder if there is any way I can write to files from HTML5/JS? In the broswer ...

Answer 1

Another possibility is to consider creating something like a ClickOnce app in the Windows platform. This would present a link to a downloadable executable that would run in the user's OS but could make web-based callbacks to send and retrieve data. The ClickOnce app could embed a browser control and thus you would have both a web-compatible application with the ability to talk directly to the user's storage.