FileHandle.getFile()
Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Summary
The getFile method allows to retrieve a read-only snapshot of the handled
file in the form of a File object.
Syntax
var request = instanceOfFileHandle.getFile();
Return
A DOMRequest object. In case of success, the request's
result is a File object.
Specifications
This feature is not part of any current specification. It is no longer on track to become a standard.