From http://www.w3schools.com (Copyright Refsnes Data)

HTML DOM FileUpload Object


FileUpload Object

For each instance of an <input type="file"> tag in an HTML form, a FileUpload object is created.

You can access a FileUpload object by searching through the elements[] array of the form, or by using document.getElementById().

IE: Internet Explorer, F: Firefox, O: Opera, W3C: World Wide Web Consortium (Internet Standard).

FileUpload Object Properties

Property Description IE  F O W3C
accept Sets or returns a comma-separated list of MIME types that indicates the MIME type of the file transfer       Yes
accessKey Sets or returns the keyboard key to access the FileUpload object 4     Yes
alt Sets or returns an alternate text to display if the browser does not support <input type="file">       Yes
defaultValue Sets or returns the initial value of the FileUpload object 4 1   Yes
disabled Sets or returns whether or not the FileUpload object should be disabled 4     Yes
form Returns a reference to the form that contains the FileUpload object 4 1   Yes
id Sets or returns the id of the FileUpload object 4 1   Yes
name Sets or returns the name of the FileUpload object 4 1   Yes
tabIndex Sets or returns the index that defines the tab order for the FileUpload object 4     Yes
type Returns the type of the form element. For a FileUpload object it will be "file" 4 1   Yes
value Returns the file name of the FileUpload object after the text is set by user input 4 1   Yes

Standard Properties

Property Description IE  F O W3C
className Sets or returns the class attribute of an element 5 1 9 Yes
dir Sets or returns the direction of text 5 1 9 Yes
lang Sets or returns the language code for an element 5 1 9 Yes
title Sets or returns an element's advisory title 5 1 9 Yes

FileUpload Object Methods

Method Description IE F O W3C
blur() Removes focus from the FileUpload object 4 1   Yes
focus() Gives focus to the FileUpload object 4 1   Yes
select() Selects the FileUpload object 4     Yes


From http://www.w3schools.com (Copyright Refsnes Data)