From http://www.w3schools.com (Copyright Refsnes Data)
The Hidden object represents a hidden input field in an HTML form.
For each instance of an <input type="hidden"> tag in an HTML form, a Hidden object is created.
You can access a hidden input field 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).
| Property | Description | IE | F | O | W3C |
|---|---|---|---|---|---|
| alt | Sets or returns an alternate text to display if a browser does not support hidden fields | 5 | 1 | 9 | Yes |
| form | Returns a reference to the form that contains the hidden field | 4 | 1 | 9 | Yes |
| id | Sets or returns the id of a hidden field | 4 | 1 | 9 | Yes |
| name | Sets or returns the name of a hidden field | 4 | 1 | 9 | Yes |
| type | Returns the type of form element a hidden input field is | 4 | 1 | 9 | Yes |
| value | Sets or returns the value of the value attribute of the hidden field | 4 | 1 | 9 | Yes |
| 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 |
From http://www.w3schools.com (Copyright Refsnes Data)