Check if it is a number and calculate the cubic power : Number « Data Type « JavaScript DHTML






  1. JavaScript DHTML
  2. Data Type
  3. Number

Check if it is a number and calculate the cubic power

  

<html>
<head>
<script type = "text/javascript">
function cubeme(aNum) {
    if (aNum == 1) {
        return 1;
    } else {
        return Math.pow(aNum,3);
    }
}
</script>
</head>

<body>
<script type = "text/javascript">
var theNum = 2;
var finalNum = cubeme(theNum);

if (isNaN(finalNum)) {
    alert("Not a number.");
} else {
    alert(finalNum);
}
</script>

</body>
</html>








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