<script language="javascript" type="text/javascript">
function validate() {
var chr = "poojadhonga";
var i = 0;
var chrcount=0;
var deccount=0;
var a;
if( chr.length==11)
{
for (i = 0; i < chr.length ; i++)
{
a = chr.charCodeAt(i);
if(a >=65 && a <= 90 || a >= 97 && a <=122)
{
chrcount++;
}
else
{
if( a >=48 && a<=57)
{
deccount++;
}
}
}
if( chrcount ==10 && deccount==1)
{
alert("string is validate as 10 characters & 1 digit .");
}
else
{
alert(" string is not validate as 10 chracter and 1 integer");
}
}
else
{
alert(" you have entered less charcter");
}
}
</script>