[Javascript] Circum Functions

Bwat yang mao belajar matematika, ni dia sample Javascript na, cara ngitung volume:

di bagian <HEAD>:

Code:

function circum() {
var radius = prompt("Enter the radius of the circle","");
var circle = 2 * Math.PI * radius;
alert("The circumference is "+circle)
}

tros di <BODY> na kasii ke gini:

Code:

jadi lengkap na ke gini brother :

Code:

<html>
<head>
<title>Circum Functions</title>

<script>
function circum() {
var radius = prompt("Enter the radius of the circle","");
var circle = 2 * Math.PI * radius;
alert("The circumference is "+circle)
}
</script>
</head>
<body>
<form>
<input type="button" value="Calculate the circumference" onclick="circum()">
</form>
</body>
</html>

Klik di sini bwat liat hasilna:

http://www.dremi.info/web/tips/circum.html

Coba yak !!! :lachtot: Cheesy