JavaScript Reference/Javascript Properties/defaultChecked
"defaultChecked" Example
<source lang="javascript">
<html> <body> <script language="JavaScript"> function function1() {
if (myRadioButton1.defaultChecked) {
alert("Radio 1 is checked");
}
if (myRadioButton2.defaultChecked) {
alert("Radio 2 is checked");
}
if (myCheckBox.defaultChecked) {
alert("Checkbox is checked");
}
}
</script>
<input id="myRadioButton1" type="radio" checked value="radiobutton">Radio 1
<input id="myRadioButton2" type="radio" value="radiobutton">Radio 2
<input id="myCheckBox" type="checkbox" value="checkbox" checked>Checkbox</p>
<input type="button" value="Click here" onclick="function1();">
</body>
</html>
</source>
"defaultChecked" is applied to
<source lang="javascript">
+----------------+--------------------------------------------------------------+ | Applied_To |<input type="checkbox"> <input type="radio"> | +----------------+--------------------------------------------------------------+
</source>
"defaultChecked" Syntax and Note
<source lang="javascript">
Note:
Syntax:
document.getElementById("inputID").defaultChecked = value document.all.inputID.defaultChecked = value // IE only
</source>
