Slip no. 4. Write a java Script that Accept a string from user. Pass this string as parameter to a function name ‘check_vowel’ on button click event and return the count of the number vowels within the string.
HTML file :
<html>
<head>
<style>
span
{
color : red;
font-size : 25px;
}
</style>
<script type = "text/javascript" >
function check_vowels(str)
{
var ob = false;
ob = new XMLHttpRequest();
ob.open("GET","slip4_Q1.php?string="+str);
ob.send();
ob.onreadystatechange=function()
{
if(ob.readyState==4 && ob.status==200)
{ document.getElementById("i").innerHTML=ob.responseText;
}
}
}
</script>
</head>
<body>
<center>
<h3>Enter Sting: <input type="text" name="str" id="str" maxlength="20"></h3>
<input type="submit" value="Check Vowels" onclick="check_vowels(str.value)">
<br><br><span id="i"></span>
</center>
</body>
</html>
PHP file :
<?php
$a=$_GET['string'];
$l=strlen($a);
$v_cnt=0;
for($i=0;$i<$l;$i++)
{
if(( $a[$i] == 'a') || ($a[$i] == 'e') || ($a[$i] == 'i') || ($a[$i] == 'o') || ($a[$i] == 'u') || ($a[$i] == 'A') || ($a[$i] == 'E') || ($a[$i] == 'I') || ($a[$i] == 'O') || ($a[$i] == 'U'))
$v_cnt++;
}
echo "Total vowels are : $v_cnt";
?>
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