File input 'accept' attribute - is it useful?

Question

Implementing a file upload under html is fairly simple, but I just noticed that there is an \'accept\' attribute that can be added to the

Answer 1

Accept attribute was introduced in the RFC 1867, intending to enable file-type filtering based on MIME type for the file-select control. But as of 2008, most, if not all, browsers make no use of this attribute. Using client-side scripting, you can make a sort of extension based validation, for submit data of correct type (extension).

Other solutions for advanced file uploading require Flash movies like SWFUpload or Java Applets like JUpload.