FileUpload Object
The fileupload field (<input type="file">) within your form can be accessed and manipulated using
JavaScript via the corresponding FileUpload object. To access the field in
JavaScript, use the syntax:
document.myform.filefield //where myform and filefield are
names of your form/element.
document.myform.elements[i] //where i is the position of the field within form
Events
|
Events |
Description |
| onBlur |
Code is executed when the focus is
removed from the fileUpload field. |
| onChange |
Code is executed when user changes the
value within the fileUpload field and moves focus away from field. |
| onFocus |
Code is executed when the focus is set
on the fileUpload field. |
Properties
|
Properties |
Description |
|
accessKey |
String value that sets/ returns the accessKey for
the field. |
|
disabled |
Boolean value that sets/ returns whether the field
is disabled. |
|
form |
References the form that contains the
fileUpload field. |
|
name |
Reflects the name of the fileUpload
field (the name attribute). |
|
type |
A property available on all form
elements, "type" returns the type of the calling form element, in
this case, "file". |
|
value |
A read only string that specifies the
file name entered into the fileUpload field. |
Methods
|
Methods |
Description |
|
blur() |
Removes focus away from the fileUpload
field. |
|
focus() |
Sets focus on the fileUpload field. |
|
select() |
Selects the input area of the
fileUpload field. |
