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Linked List, To String Dan To Array

?html>
?head>
?title>Struktur Data Linked List?/title>
?/head>
?body>
?script language = "JavaScript">
?!--
function DoublyLinkedList()
{
this._Kepala = null;
this._Ekor = null;
this._Panjang = 0;
}

DoublyLinkedList.prototype =
{
constructor: DoublyLinked
List,
Tambah: function (data)
{
var node = {data: data, next: null, prev: null};

if (this._Panjang == 0)
{
this._Kepala = node;
this._Ekor = node;
}
else
{
this._Ekor.next = node;
node.prev = this._Ekor;
this._Ekor = node;
}
this._Panjang++;

},

ItemList: function(index)
{
if (index > -1 && index ? this._Panjang)
{
var NodeTanda = this._Kepala,
i = 0;

while(i++ ? index)
{
NodeTanda = NodeTanda.next;
}

return NodeTanda.data;
}
else
{
return null;
}
},

Buang: function(index){

if (index > -1 && index ? this._Panjang)
{
var NodeTanda = this._Kepala, i = 0;

if (index === 0)
{
this._Kepala = NodeTanda.next;
if (!this._Kepala)
{
this._Ekor = null;
}
else
{
this._Kepala.prev = null;
}

}
else
if (index === this._Panjang -1)
{
NodeTanda = this._Ekor;
this._Ekor = NodeTanda.prev;
this._Ekor.next = null;
}
else
{
while(i++ ? index)
{
NodeTanda = NodeTanda.next;
}
NodeTanda.prev.next = NodeTanda.next;
}
this._Panjang--;
return NodeTanda.data;

}
else
{
return null;
}


},

Ukuran: function(){
return this._Panjang;
},

toArray: function(){
var result = [],
NodeTanda = this._Kepala;

while(NodeTanda){
result.push(NodeTanda.data);
NodeTanda = NodeTanda.next;
}

return result;
},

toString: function(){
return this.toArray().toString();
}
}

var List = new DoublyLinkedList();


List.Tambah("Teknik Informatika");
List.Tambah("Teknik Komputer");
List.Tambah("Komputerisasi Akuntansi");
List.Tambah("Computer Networking");


document.write("Isi LinkedList ?br>");
document.write("--------------- ?br>");
for (i=0; i?4; i++)
{
document.write(List.ItemList(i) + "?br>") ;
}
document.write("--------------- ?br>");


document.write("Isi LinkedList Awal = " + List.Ukuran() +"?br>");
document.write("Isi Array Awal = " + List.toArray() +"?br>");
document.write("Isi String Awal = " + List.toString() +"?br>?br>");

alert("ItemList 1 pada Linked List diBuang, yaitu = " + List.ItemList(1));
List.Buang(1);


document.write("Isi Linked LIst Setelah Dibuang ?br>");
document.write("--------------- ?br>");
for (i=0; i?4; i++)
{
document.write(List.ItemList(i) + "?br>") ;
}
document.write("--------------- ?br>");

document.write("?br>Isi LinkedList Terakhir = " + List.Ukuran() +"?br>");
document.write("Isi Array Akhir = " + List.toArray() +"?br>");
document.write("Isi String Awal = " + List.toString() +"?br>");
//-->
?/script>
?/body>
?/html>
Tag : MATA KULIAH
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