Web-Lab/Program_4.html at master · Vibha-Prasad/Web-Lab · GitHub

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<!doctype html>
<html>
    <head>
        <title>Program 4</title>
    </head>
    <body>
        <input type="text" id ="str" placeholder="Enter string/Number">
        <input type="submit" onclick="find();"name="sub" value="submit">
        <div id="result"></div>
        <script>
            function find(){
                var str=document.getElementById("str").value;
                if(Number.isInteger(parseInt(str)))
                {
                    var num=parseInt(str);
                    var rev=0,rem=0;
                    while(num>0){
                        rem=parseInt(num%10);
                        rev=rev*10+rem;
                        num=parseInt(num/10);
                    }
                    document.getElementById("result").innerHTML="<P>Reverse is : "+rev+"</p>";

                }
                else
                {
                    for(var i=0;i<str.length;i++)
                    {
                        if(str.charAt(i)=='a'|| str.charAt(i)=='e' || str.charAt(i)=='i'|| str.charAt(i)=='o'|| str.charAt(i)=='u'||
                        str.charAt(i)=='A'|| str.charAt(i)=='E'|| str.charAt(i)=='I'||str.charAt(i)=='O'|| str.charAt(i)=='U')
                        {
                            var pos=i+1;
                            var text="Position of left most vowel "+str.charAt(i)+" "+pos;
                            document.getElementById("result").innerHTML=text;
                            exit;
                        }
                    }
                    var text="No vowel is in the string ";
                    document.getElementById("result").innerHTML=text;
                }
            }
        </script>
    </body>
</html>