HTML Hidden Field

HTML Hidden Field component is a hidden field. It is useful in a form to send information not directly entered by the user (generated with the page or with JavaScript) on submit.

Code

When you drop an HTML Hidden Field in a document, the component generates this code:

<input type="hidden" />

Properties

Note: You are most likely not going to use most properties for this component.

Name	Values	Description
accept	MIME types	Comma-separated list of MIME types that can be submitted through a file upload. Avoid using this property, file uploads should be validated on the server-side.
accesskey	character	Keyboard shortcut to access the component.
alt	text	Alternative text for an image input.
class	string	List of space-separated class names. The style of those classes will affect the component.
dir	ltr rtl	Direction of the text, left-to-right (ltr) or right-to-left (rtl).
disabled	disabled	If set, component is unusable and un-clickable.
id	string	Unique combination of characters that identifies the component.
lang	language code	Language of the most part of the content of the component. It must be an ISO 639 language code.
maxlength	number	Maximum length in characters of an input field for one-line text or password.
name	name	Name of the component.
onblur	scripting code	Event handler that captures the moment that the component loses focus.
onchange	scripting code	Event handler that captures the moment that the component changes.
onclick	scripting code	Event handler that captures a click event on the component. (Equivalent to onmousedown followed by onmouseup)
ondblclick	scripting code	Event handler that captures a double-click event on the component. Note onclick event handler will fire before ondblclick event handler.
onfocus	scripting code	Event handler that captures the moment that the component gets focus.
onkeydown	scripting code	Event handler that captures the moment that a key is pressed down but has not yet been released.
onkeypress	scripting code	Event handler that captures a completed key-press-and-release sequence (equivalent to onkeydown followed by onkeyup) while the component has focus.
onkeyup	scripting code	Event handler that captures the moment that a previously pressed key is released while focus is on the component.
onmousedown	scripting code	Event handler that captures the moment that the mouse button is pressed down but has not yet been released.
onmousemove	scripting code	Event handler that captures identifies any movement of the cursor.
onmouseout	scripting code	Event handler that captures the moment that the cursor moves from the inside to the outside of the component.
onmouseover	scripting code	Event handler that captures the moment that the cursor moves from the outside to the inside of the component.
onmouseup	scripting code	Event handler that captures the moment that the previously pressed mouse button is released while focus is on the component.
onselect	scripting code	Event handler that captures the moment that the component is selected.
readonly	readonly	If set, input field for one-line text or password will be read-only.
src	URL	URL of an image to display as submit button when input element is of type image.
style	css code	CSS code defining a style to be applied to the component.
tabindex	number	Tabulation order of the component.
title	string	Descriptive title of the component. It usually renders as a tooltip users get when covering the component with the cursor for a while.
usemap	#mapid	Image map to be used with an image input.
value	value	Value of the input element. For this component, it is the text displayed on the button too.
xml:lang	language code	Same as the lang property, and should have the same value. It is needed in XHTML documents.

See Also

• input