INPUT TYPE=checkbox XHTML Element

Article
08/28/2006

The INPUT TYPE=checkbox element creates a check box control. This is an inline element and does not require a closing tag.

Using this Element

There are some common properties and collections that apply to all the elements of the document object model, see Common Properties for All DOM Elements in Internet Explorer Mobile.

This element can be used within a web page with attributes.

This element can be used within scripts where it will have properties, events and methods.

Attributes

Attribute	Value	PPC	SP	Description
ACCESSKEY	0...9, #, *	Yes	Yes	Gives access or focus to an active HTML element by using a keypad number. Note For Pocket PCs, supported only for devices running Windows Mobile 2003 software or later.
CHECKED		Yes	Yes	Specifies selection of the checkbox control.
CLASS		Yes	Yes	Associates the element with a CSS style. Note Supported only for devices running Windows Mobile 2003 software or later.
DISABLED		Yes	Yes	Disables the check box so that it appears dimmed and does not respond to user input. Note Supported only for devices running Windows Mobile 2003 software or later.
ID		Yes	Yes	Uniquely identifies the element within a document. Note Supported only for devices running Windows Mobile 2003 software or later
NAME	String	Yes	Yes	Specifies the check box control name, which is submitted along with the check box control value, when it is selected.
ONBLUR		Yes	Yes	Event that occurs when the check box element loses focus by the pointing device or by tabbing navigation. Note Supported only for devices running PocketPC 2002 and Smartphone 2002 software or later.
ONCLICK		Yes	Yes	Event that occurs when the user chooses the check box control. Note Supported only for devices running PocketPC 2002 and Smartphone 2002 software or later.
ONFOCUS		Yes	Yes	Event that occurs when the check box control receives focus by a pointing device or by tabbing navigation. Note Supported only for devices running PocketPC 2002 and Smartphone 2002 software or later.
STYLE		Yes	Yes	Provides the definition of the CSS styles used for this element. Note Supported only for devices running Windows Mobile 2003 software or later.
TABINDEX		Yes	Yes	Sets the order in which elements are tabbed to. Note Supported only for devices running Windows Mobile 2003 software or later.
VALUE	String	Yes	Yes	Specifies the check box control value, which is submitted along with the check box control name, when it is selected.

Scripting Properties

Property	Type	Access	Comments
accessKey	string	Read/Write
checked	boolean	Read/Write	Sets or retrieves the state of the input type=checkbox control. The only possible values are true and false.
disabled	boolean	Read/Write
defaultChecked	boolean	Read Only	Specifies whether the input type=checkbox is checked by default.
form		Read Only
name	string	Read Only
type	string	Read Only	Always returns: checkbox
value	string	Read/Write	Sets or retrieves the value of the input type=checkbox.

Scripting Events

Event	Supported	Comment
onclick	Yes	This event fires when the user taps on the checkbox element. Note the event only fires if the user does a pen down while on the checkbox and a pen up over the same checkbox. The author can specify special handler for this event.
onblur	Yes
onfocus	Yes

Scripting Methods

Method Support Comments

click

Yes

Method	Support	Comments
click	Yes	Syntax: `checkbox.click()` Simulates clicking on the checkbox causing the onclick event to fire.
focus	Yes	Syntax: `checkbox.focus()` Sets focus to the checkbox.

Syntax:

checkbox.click()

Simulates clicking on the checkbox causing the onclick event to fire.

focus

Yes

Syntax:

checkbox.focus()

Sets focus to the checkbox.

Requirements

Pocket PC: Windows Mobile 5.0 and later
Smartphone: Windows Mobile 5.0 and later
OS Versions: Windows CE 5.01 and later