TY_BCS_PHP_SLIP 10_1

Slip no. 10.   Write a java script to accept email address from user and count no of @ occurrences and number of DOT(.) occurrences.
HTML file :
<html>
<head>
<style>
span
{
                color: red;
                font-size: 25px;

}
</style>

<script type="text/javascript" >
                function count()
                {
                                var ob=false;
                                ob=new XMLHttpRequest();
               
                                var eid=document.getElementById("eid").value;
               
                                ob.open("GET","slip10_Q1.php?emailid="+eid);
                                ob.send();          
               
                                ob.onreadystatechange=function()
                                {
                                                if(ob.readyState==4 && ob.status==200)
                                                document.getElementById("i").innerHTML=ob.responseText; 
                                }
                }             
</script>
</head>

<body>
<center>
<br>Email ID :<input type=text  name=eid id=eid>
<br><input  type="button"  value=Show onclick="count()" >
<br><br><span id="i"></span>
</center>
</body>
</html>

PHP file :
<?php
                $eid=$_GET['emailid'];
                $cnt_1 = substr_count($eid,"@");
                $cnt_2 = substr_count($eid,".");
                echo "total count of @ is $cnt_1 and total count of .(dot) is $cnt_2";
?>

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