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FileUpload Object
Last updated: June 20th, 2004
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. |
Reference List
- JavaScript Operators
- JavaScript Statements
- Global functions
- JavaScript Events
- Escape Sequences
- Reserved Words
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