latihan 1
<HTML>
<HEAD>
<TITLE>Type Bilangan</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
<!--
var a = 15;
b = 14;
tambah = a + b;
kali = a * b;
document.write("Penambahan (" +a+ " + " +b+ ") = " + tambah);
document.write("<BR>");
document.write("Perkalian (" +a+ " x " +b+ ") = " + kali);
document.write("<BR>");
//-->
</SCRIPT>
</BODY>
</HTML>
latihan 2:
<HTML>
<HEAD>
<TITLE>Konversi Antar Sistem Bilangan</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
<!--
var bil = new Number(25);
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>");
//-->
</SCRIPT>
</BODY>
</HTML>
LATIHAN 3:
<HTML>
<HEAD>
<TITLE>Membuat Fungsi Matematika Dengan JAvaScript</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
<!--
function jumlah(x, y) {
var hasil = x + y;
return(hasil);
}
var a = parseInt(prompt("Ketikan Bilangan A = \n Ingat Jangan String"));
var b = parseInt(prompt("Ketikan Bilangan B = \n Ingat Jangan String"));
var z = jumlah(a,b);
document.write(z);
document.write("<BR>");
document.write("<hr>");
document.write("Tipe Data nya adalah = " + typeof(z));
//-->
</SCRIPT>
</BODY>
</HTML>
LATIHAN 4:
<html>
<head>
<title>Persamaan kuadrat</title>
</head>
<body>
<script language="JavaScript">
<!--
function determinant(a,b,c)
{
var d = (b*b)-(4*a*c);
return(d);
}
var a=parseFloat(prompt("Menghitung akar persamaan kuadrat masukan nilai A =\n"));
var b=parseFloat(prompt("Menghitung akar persamaan kuadrat masukan nilai B =\n"));
var c=parseFloat(prompt("Menghitung akat persamaan kuadrat masukan nilai C =\n"));
var det=determinant(a,b,c);
document.write("Nilai Determinannya = " +det+"<BR>");
document.write("<BR>");
document.write("<HR>");
if (det>0)
{
var x1 = (-b - Math.sqrt(det))/(2*a);
var x2 = (-b + Math.sqrt(det))/(2*a);
document.write("Nilai x1 = " +x1+ "<BR>");
document.write("Nilai x2 = " +x2+ "<BR>");
document.write("<BR>");
document.write("<HR>");
document.write("Akar-akarnya beda");
alert("Nilai akar-akarnya ada dan berbeda");
} else
if (det==0)
{
var x1 = (-b - Math.sqrt(det))/(2*a);
var x2 = (-b + Math.sqrt(det))/(2*a);
document.write("Nilai x1 = " +x1+ "<BR>");
document.write("Nilai x2 = " +x2+ "<BR>");
document.write("<BR>");
document.write("<HR>");
document.write("Akar-akarnya kembar");
alert("Nilai akar-akarnya sama");
} else
if (det<0)
{
document.write("Akar-akarnya tidak real");
alert("Nilai akar-akarnya tidak terdefinisi");
}
//-->
</script>
</body>
</html>
Gambar
Latihan 1
latihan 2
Latihan 3
Latihan 4
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