[whatwg] File inputs, @accept, and expected behavior

Tab Atkins Jr. jackalmage at gmail.com
Wed Feb 2 15:21:36 PST 2011

The file input gained the @accept attribute a little while ago, to
indicate what type of file should be accepted.  It has three special
values, "image/*", "video/*", and "audio/*".

I believe one intent of these special values is that browsers may
offer the user the ability to capture an image/video/audio with the
webcam/mic and automatically set it as the value of the <input>,
without the user having to create an intermediary file themselves.

The spec doesn't give any indication of this, though, and I've
surprised some people (browser devs, internally) when I tell them
about @accept after they ask me about access the webcam/mic.

Could we get a note added to the File Input section describing this intention?


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