defaultChecked Property

Internet Development Index

Sets or retrieves the state of the check box or radio button.


Scriptingobject.defaultChecked [ = bChecked ]

Possible Values

bCheckedBoolean that specifies or receives one of the following values.
trueDefault. Check box or radio button is selected by default.
falseCheck box or radio button is not selected by default.

The property is read/write. The property has a default value of true.


The property can be changed programmatically, but doing so has no effect on the appearance of the check box or radio button or on how forms are submitted.

Standards Information

This property is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 Non-Microsoft link.

Applies To

INPUT type=checkbox, INPUT type=radio

See Also