Program Menghitung Nilai IPK Use JavaScript

?HTML>
?HEAD>?TITLE>Nilai IPK?/TITLE>?/HEAD>
?BODY>
?P>?SCRIPT language="JavaScript">
?!--
function hasil() {
var nil_1 = ("",document.fform.nilai_1.value);
var BN_1 = 1;
if (nil_1 == 'A')
BN_1 = 8;
if (nil_1 == 'B')
BN_1 = 6;
if (nil_1 == 'C')
BN_1 = 4;
if (nil_1 == 'D')
BN_1 = 2;
if (nil_1 == 'E')
BN_1 = 0;
var nil_2 = ("",document.fform.nilai_2.value);
var BN_2 = 1;
if (nil_2 == 'A')
BN_2 = 8;
if (nil_2 == 'B')
BN_2 = 6;
if (nil_2 == 'C')
BN_2 = 4;
if (nil_2 == 'D')
BN_2 = 2;
if (nil_2 == 'E')
BN_2 = 0;
var nil_3 = ("",document.fform.nilai_3.value);
var BN_3 = 1;
if (nil_3 == 'A')
BN_3 = 8;
if (nil_3 == 'B')
BN_3 = 6;
if (nil_3 == 'C')
BN_3 = 4;
if (nil_3 == 'D')
BN_3 = 2;
if (nil_3 == 'E')
BN_3 = 0;
var nil_4 = ("",document.fform.nilai_4.value);
var BN_4 = 1;
if (nil_4 == 'A')
BN_4 = 8;
if (nil_4 == 'B')
BN_4 = 6;
if (nil_4 == 'C')
BN_4 = 4;
if (nil_4 == 'D')
BN_4 = 2;
if (nil_4 == 'E')
BN_4 = 0;
var nil_5 = ("",document.fform.nilai_5.value);
var BN_5 = 1;
if (nil_5 == 'A')
BN_5 = 8;
if (nil_5 == 'B')
BN_5 = 6;
if (nil_5 == 'C')
BN_5 = 4;
if (nil_5 == 'D')
BN_5 = 2;
if (nil_5 == 'E')
BN_5 = 0;
var nil_6 = ("",document.fform.nilai_6.value);
var BN_6 = 1;
if (nil_6 == 'A')
BN_6 = 8;
if (nil_6 == 'B')
BN_6 = 6;
if (nil_6 == 'C')
BN_6 = 4;
if (nil_6 == 'D')
BN_6 = 2;
if (nil_6 == 'E')
BN_6 = 0;
var nil_7 = ("",document.fform.nilai_7.value);
var BN_7 = 1;
if (nil_7 == 'A')
BN_7 = 8;
if (nil_7 == 'B')
BN_7 = 6;
if (nil_7 == 'C')
BN_7 = 4;
if (nil_7 == 'D')
BN_7 = 2;
if (nil_7 == 'E')
BN_7 = 0;
var nil_8 = ("",document.fform.nilai_8.value);
var BN_8 = 1;
if (nil_8 == 'A')
BN_8 = 8;
if (nil_8 == 'B')
BN_8 = 6;
if (nil_8 == 'C')
BN_8 = 4;
if (nil_8 == 'D')
BN_8 = 2;
if (nil_8 == 'E')
BN_8 = 0;
var nil_9 = ("",document.fform.nilai_9.value);
var BN_9 = 1;
if (nil_9 == 'A')
BN_9 = 4;
if (nil_9 == 'B')
BN_9 = 3;
if (nil_9 == 'C')
BN_9 = 2;
if (nil_9 == 'D')
BN_9 = 1;
if (nil_9 == 'E')
BN_9 = 0;
var nil_10 = ("",document.fform.nilai_10.value);
var BN_10 = 1;
if (nil_10 == 'A')
BN_10 = 4;
if (nil_10 == 'B')
BN_10 = 3;
if (nil_10 == 'C')
BN_10 = 2;
if (nil_10 == 'D')
BN_10 = 1;
if (nil_10 == 'E')
BN_10 = 0;
var BN_total = BN_1 + BN_2 + BN_3 + BN_4 + BN_5 + BN_6 + BN_7 + BN_8 + BN_9 + BN_10;
var sks = 18;
var IPK = BN_total/sks;
window.confirm("Anda Yakin Ingin Melihat Hasilnya?");
document.fform.nilai_IPK.value = IPK;
}
//-->
?/SCRIPT>?/P>
?FORM NAME ="fform">
?H2>?BR>Menghitung Nilai IPK?/H2>
?H3>?BR>*** Masukan Nilai Huruf dari Setiap Mata Kuliah ***
?/H3>
?H4>?PRE>
Nilai Teori Algoritma&Pemrograman :?input type="text" size="2" name="nilai_1">
Nilai Praktek Algoritma&Pemrograman :?input type="text" size="2" name="nilai_2">
Nilai Aplikasi Bisnis :?input type="text" size="2" name="nilai_3">
Nilai Konsep Teknologi :?input type="text" size="2" name="nilai_4">
Nilai Pengantar Teknologi Informasi :?input type="text" size="2" name="nilai_5">
Nilai Fisika Dasar :?input type="text" size="2" name="nilai_6">
Nilai Kalkulus :?input type="text" size="2" name="nilai_7">
Nilai Bahasa Inggris Dasar :?input type="text" size="2" name="nilai_8">
Nilai Teori Elektronika Dasar :?input type="text" size="2" name="nilai_9">
Nilai Praktek Elektronika Dasar :?input type="text" size="2" name="nilai_10">
?/H4>?/PRE>
?P>
?INPUT TYPE="button" value="Proses" onclick="hasil()">
?INPUT TYPE="reset" value="Ulang">
?HR>
?H1>Nilai IPK Anda:
?INPUT TYPE = "TEXT"
NAME = "nilai_IPK"
SIZE = "2">?/H1>
?/FORM>
?/BODY>
?/HTML>