Name
defaultChecked — NN 2 IE 3 DOM 1
Synopsis
Read/Write
Whether element has the CHECKED
attribute set in
the tag. You can compare the current checked
property against defaultChecked
to see whether the
state of the control has changed since the document loaded. Changing
this property doesn’t affect the current
checked
status.
Example
var rBut = document.forms[0].myRadio[0]
if (rBut.checked != rBut.defaultChecked) {
process for changed state
}
Value
Boolean value: true
| false
.
Default
Determined by HTML tag attribute.
Get Dynamic HTML: The Definitive Reference now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.