@DOMNoInterfaceObjectAttribute public interface IFile extends IBlob
A File object is a Blob object with a name attribute, which is a string; it can be created within the web application via a constructor, or is a reference to a byte sequence from a file from the underlying (OS) file system.
The name of the file. On getting, this must return the name of the file as a string.
The last modified date of the file. On getting, if user agents can make this information available, this must return a long long set to the time the file was last modified as the number of milliseconds since the Unix Epoch.