<html>
<head>
<title> my rurul </title>
<script language = "JavaScript">
var angka =["8","9","10",];
function nilai()
{
var a= angka[0]*angka[0]
document.getElementById("hasil_a").value=a;
var b= angka[1]*angka[1]
document.getElementById("hasil_b").value=b;
var c= angka[2]*angka[2]
document.getElementById("hasil_c").value=c;
}
</script>
</head>
<body bgcolor=green>
nilai awal <br>
<input type =text value=8 size=6 >
<input type =text value=9 size=6 >
<input type =text value=10 size=6 ><br>
<br>
<input type =button value=kuadratkan onclick='nilai();'><br>
<br>
nilai akhir <br>
<input type =text id=hasil_a><br>
<input type =text id=hasil_b><br>
<input type =text id=hasil_c><br>
</body>
</html>
