joemhadi blog

Rabu, 06 Maret 2013

<html>
<head>
<title>Struktur Fata stack</title>
<script language = "JavaScript">
var stack = new Array();
function Input_ke_Stack(data) {
stack.push(data);
}
function Ambil_dari_Stack() {
var data_dari_stack = stack.pop();
if (data_dari_stack == undefined)
return "Stack Sudah Kosong";
else
return data_dari_stack;
}
function TampilkanStack(list){
list.options.length = 0;
for (var i = 0; i < stack.length; i++){
var data = new Option(stack[i]);
list.options[list.options.length] = data;
}
}
</script>
</head>
<body>
<form>
<input type=text name=textSimpan>
<input type=button value="Masukan ke Stack"
onClick='Input_ke_Stack(textSimpan.value);
textSimpan.value="";
TampilkanStack(mediaList);'>
<select name="mediaList" size=12>
<option>Tampilan data....
</select>
<input type=text name=textAmbil size=20>
<input type=button value="Ambil dari Stack"
onClick="textAmbil.value = Ambil_dari_Stack();
TampilkanStack(mediaList);">
</form>
</body>
</html>

<HTML>
<HEAD>
<TITLE>Persamaan kuadrat</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
function det(a,b,c)
{
var d = (b*b)-(4*a*c);
return(d);
}
var a = parseFloat(prompt("Masukan Nilai A =\n"));
var b = parseFloat(prompt("Masukan Nilai B =\n"));
var c = parseFloat(prompt("Masukan Nilai C =\n"));
var deter = det(a,b,c);
document.write("Nilai Determinannya = " +deter+"<BR>");
document.write("<BR>");
if (deter>0)
{
var x1 = (-b - Math.sqrt(deter))/(2*a);
var x2 = (-b + Math.sqrt(deter))/(2*a);
document.write("Nilai x1 = " +x1+ "<BR>");
document.write("Nilai x2 = " +x2+ "<BR>");
document.write("<BR>");
document.write("Akar-akarnya Berbeda");
} else
if (deter==0)
{
var x1 = (-b - Math.sqrt(deter))/(2*a);
var x2 = (-b + Math.sqrt(deter))/(2*a);
document.write("Nilai x1 = " +x1+ "<BR>");
document.write("Nilai x2 = " +x2+ "<BR>");
document.write("<BR>");
document.write("Akar-akarnya Sama");
} else
if (deter<0)
{
document.write("Akar-akarnya Imaginer");
}
</SCRIPT>
</BODY>
</HTML>

<HTML>

<HEAD>

<TITLE>Type Bilangan</TITLE>

</HEAD>

<BODY>

<SCRIPT LANGUAGE = "JavaScript">



</SCRIPT>

</BODY>

</HTML>

<html>
<head>
<script>
function fibonacci(n){
var i;
var array_fib = new Array();
array_fib.push(0);
array_fib.push(1);
for(i=0; i<n; i++){
array_fib.push(array_fib[0] + array_fib[1]);
array_fib.shift();
}
return array_fib[0];
}
for(i=0; i<=20; i++)
document.write("Fibonacci(" + i + ") = " + fibonacci(i) + "<br>");
</script>
</head>
<body>
</body>
</html>

Kamis, 28 Februari 2013

Tentang JavaScript Persamaan Kuadrat

<HTML>
<HEAD>
<TITLE>Persamaan kuadrat</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
function det(a,b,c)
{
var d = (b*b)-(4*a*c);
return(d);
}
var a = parseFloat(prompt("Masukan Nilai A =\n"));
var b = parseFloat(prompt("Masukan Nilai B =\n"));
var c = parseFloat(prompt("Masukan Nilai C =\n"));
var deter = det(a,b,c);
document.write("Nilai Determinannya = " +deter+"<BR>");
document.write("<BR>");
document.write("<BR>");
if (deter>0)
{
var x1 = (-b - Math.sqrt(deter))/(2*a);
var x2 = (-b + Math.sqrt(deter))/(2*a);
document.write("Nilai x1 = " +x1+ "<BR>");
document.write("Nilai x2 = " +x2+ "<BR>");
document.write("<BR>");
document.write("<BR>");
document.write("Akar-akarnya Berbeda");
} else
if (deter==0)
{
var x1 = (-b - Math.sqrt(deter))/(2*a);
var x2 = (-b + Math.sqrt(deter))/(2*a);
document.write("Nilai x1 = " +x1+ "<BR>");
document.write("Nilai x2 = " +x2+ "<BR>");
document.write("<BR>");
document.write("<BR>");
document.write("Akar-akarnya Sama");
} else
if (deter<0)
{
document.write("Akar-akarnya Imaginer");
}
</SCRIPT>
</BODY>
</HTML>