Using Data URI or File API for uploading files

I have some data in javascript and want to upload the data as a file in forms with an upload field.

Is there a way to use Data URI or files created using the File API for upload fi开发者_如何学JAVAelds(i.e. <input type="file" />).

It only has to work in the Chrome Browser.

You can't. the <input type='file'> is not customizable for security concern.