javascript_exercises/Exercise_01.html at master · Aeesh/javascript_exercises · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Airtime Recharge</title>
</head>
<body>

    <script>
       var value =prompt('select option: \n 1: self \n  2: others \n 3: Data \n 4: Transfer');
         value=parseInt(value);
        if(value===1){
            var amount = prompt('enter amount');
            alert('your #'+ amount + ' recharge was succesful');
        }
        else if(value===2){
            var num = prompt('enter phone number');
            var option2 = prompt('enter amount');
            var ans = confirm('are you sure you want to send #' + option2+ ' recharge to '+ num );
            if(ans){
                alert('your #'+ option2 + ' recharge was succesfully sent to:' + num);
            }
        }
        else if(value===3){
            var bundle = prompt('select data bundle: \n 1: 500MB \n 2: 1GB \n 3: 2GB');
            bundle=parseInt(bundle);
            if(bundle===1){
                var ans = confirm('subscribe to 500MB data bundle?' );
                if(ans){
                    alert('your 500MB data bundle was succesful');
                }
            }
            if(bundle===2){
                var ans = confirm('subscribe to 1GB data bundle?' );
                if(ans){
                    alert('your 1GB data bundle was succesful');
                }
            }
            if(bundle===3){
                var ans = confirm('subscribe to 3GB data bundle?' );
                if(ans){
                    alert('your 3GB data bundle was succesful');
                }
            }
        }

        else if(value===4){
            var select = prompt('select option to transfer:\n 1:Airtime \n 2:Data');
            select = parseInt(select);
            if(select===1){
                var num = prompt('enter phone number');
                var amount = prompt('enter amount');
                var ans = confirm('Transfer #'+ amount +' to' + num + ' ?');
                if(ans){
                   alert('your #'+ amount + ' transfer to ' + num + ' was succesful');
                }
            }
             else if(select===2){
                var num = prompt('enter phone number');
                var bundle = prompt('select data bundle: 1: 500MB 2: 1GB 3: 2GB');
                bundle=parseInt(bundle);
                if(bundle===1){
                   var ans = confirm('Transfer 500MB data bundle to ' + num + ' ?');
                   if(ans){
                   alert('your 500MB data bundle transfer to' + num + ' was succesful');
                   }
                }

               if(bundle===2){
                   var ans = confirm('Transfer 1GB data bundle to ' + num + ' ?');
                   if(ans){
                   alert('your 1GB data bundle transfer to' + num + ' was succesful');
                   }
                }
               if(bundle===3){
                   var ans = confirm('Transfer 2GB data bundle to ' + num + ' ?');
                   if(ans){
                   alert('your 2GB data bundle transfer to' + num + ' was succesful');
                   }
               }
            }
        }
        else{
           alert('Invalid input!');
        }
    </script>
</body>
</html>