11.
Write a Java Script program to design Customer Account Details Form and perform
validation on pan number field. (pan number is of only 10 characters long, out
of which first 5 characters are
alphabets, next 4 characters are digits
and last character is alphabet )
<html>
<head>
<script
type="text/javascript">
function ValidatePAN()
{
var pan_no =
document.getElementById("pan");
if (pan_no.value !=
"")
{
PanNo = pan_no.value;
var panPattern =
/^([a-zA-Z]{5})(\d{4})([a-zA-Z]{1})$/;
if
(PanNo.search(panPattern) == -1)
{
alert("Invalid Pan
No");
// pan_no.focus();
// pan_no.value='';
return false;
}
else
{
alert("valid Pan
No")
}
}
}
</script>
</head>
<body>
<input type="text"
name="organisation_pan" id="pan"
class="inputbox">
<input
type="submit" value="submit"
onclick="ValidatePAN(this)">
</body>
</html>
