Description:
In this example we explain that how
to check if RadioButton (RadioGroup) is
checked or not using JavaScript.or how to check if RadioButtion or
RadioButtonList is selected or not selected using JavaScript.
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript">
function ShowHideDiv() {
var
chkYes = document.getElementById("chkYes");
var
dvReference = document.getElementById("dvReference");
dvReference.style.display =
chkYes.checked ? "block" : "none";
}
</script>
<title>Check if a RadioButton (RadioGroup) is checked or
not using JavaScript</title>
</head>
<body>
<span>Do you have any
Reference?</span>
<label for="chkYes">
<input
type="radio"
id="chkYes"
name="chkreference"
onclick="ShowHideDiv()"
/>
Yes
</label>
<label for="chkNo">
<input
type="radio"
id="chkNo"
name="chkreference"
onclick="ShowHideDiv()"
/>
No
</label>
<hr />
<div id="dvReference"
style="display: none">
Reference Name:
<input
type="text"
id="txtreference"
/>
</div>
</body>
</html>
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