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.
The HTMLInputElement.mozGetFileNameArray()
method returns an array of the names of the files that were selected by the user on an HTML input
element.
Note: This method is Gecko-specific and is not available in other browsers. Also, it throws an error if used in Web pages.