Tugas Latihan dan Evaluasi No.1

11.54 erwanto 0 comments
Program Menghitung Persamaan kuadrat

<html>
<head>
<title>Mencari persamaan kuadrat</title>
</head>
<body>
<script language="JavaScript">
<!--
function akar(a,b,c)
{
var d = (b*b)-(4*a*c);
return(d);
}

var a=parseFloat(prompt("Menghitung akar persamaan kuadrat \n masukan nilai A=\n"));
var b=parseFloat(prompt("Menghitung akar persamaan kuadrat \n masukan nilai B=\n"));
var c=parseFloat(prompt("Menghitung akat persamaan kuadrat \n masukan nilai C=\n"));

var z=akar(a,b,c);
document.write("Nilai akar kuadrat =" +z+"<BR>");
document.write("<BR>");
document.write("<HR>");

if (z>0)
{
var x1= (-b - Math.sqrt(z))/(2*a);
var x2= (-b + Math.sqrt(z))/(2*a);

document.write("Nilai x1=" +x1+ "<BR>");
document.write("Nilai x1=" +x2+ "<BR>");
document.write("<BR>");
document.write("<HR>");
alert("anda telah berhasil selamat");
} else

if (z==0)
{
document.write("tidak ada akar real");
alert("anda belum berhasil coba lagi");
}
if (z<0)

{
document.write("tidak ada akar real");
alert("anda belum berhasil coba lagi");
}

//-->
</script>
</body>
</html>

Hasil Program

Tugas Latihan dan Evaluasi No.2

09.02 erwanto 0 comments
Program Alert untuk data yang dimasukan bertipe Integer

<HTML>
<HEAD>
<TITLE>Latihan dan Evaluasi no 2</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
<!-->
{
var a = parseInt(prompt("ketikkan suatu bilangan = \n "));

if (isNaN(a))
{
alert(" yang anda masukan bukan integer salah");
} else
{
document.write(a);
document.write(""lt;BR"gt;");
document.write("<HR>");
document.write("tipe datanya adalah="+typeof(a));
}
}
//-->
</SCRIPT>
</BODY>
</HTML>
Hasil Program

Tugas Struktur Data Praktek III

07.34 erwanto 0 comments
Program Konversi Bilangan

<HTML>
<HEAD>
<TITLE>konversi antar sistem bilangan </TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
<!--
var bil = parseInt(prompt("masukan nilai bilangan"));
document.write("bilangan desimal : "+bil+"<BR>");
document.write("<HR>");

document.write("biner: "+bil.toString(2) + "<BR>");
document.write("Oktal : "+bil.toString(8) + "<BR>");
document.write("Heksa : "+bil.toString(16) + "<BR>");
document.write("<HR>");
//-->
</SCRIPT>
</BODY>
</HTM>

Hasil Program Praktek III

Tugas Stuktur Data Praktek II

08.32 erwanto 0 comments
Program Function

<HTML>
<HEAD>

<TITLE>Fungsi matematika menambah bilangan</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript";
!--
function jumlah (x,y) {
var hasil = x+y;
return(hasil);
}

var a = parseInt(prompt("ketikkan bilangan A = \n jangan string"));
var b = parseInt(prompt("ketikkan bilangan B = \n jangan string"));
var z = jumlah(a,b);

document.write(z);
document.write("<BR>");
document.write("<HR>");
document.write("tipe datanya adalah="+typeof(z));

//--
</SCRIPT>
</BODY>
</HTML>

Hasil program praktek II

Tugas Stuktur Data Praktek I

08.02 erwanto 0 comments
Program Penambahan bilangan

<HTML>
<HEAD>

<TITLE>Type Bilangan</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript";
!--
var a=15;
b=14;

tambah = a + b;
kali = a * b;
bagi = a/b;

document.write("Penambahan (" +a+ " + " +b+ ") = " + tambah);
document.write("BR");
document.write("Penambahan (" +a+ " x " +b+ ") = " + kali);
document.write("BR");
document.write("Pembagian (" +a+ " / " +b+ ") = " + bagi);
document.write("BR");

//--
</SCRIPT>
</BODY>
</HTML>

Hasil program praktek I

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