First Queue

?html>
?head>
?title>Program Queue dengan shift dan unshift javascript?/title>
?script language = "javascript">
function DataQueue()
{
var queue = [];
queue.unshift(1);
queue.unshift(2);
var i = queue.pop();
document.write(i + "?br/>");
queue.unshift(3);
queue.unshift(4);
var i = queue.pop();
document.write(i + "?br/>");
}
?/script>
?/head>
?body>
?form name="FormStrukturData">
?input name="btnQueue" value="Queue" type="button" onClick="DataQueue();"/>
?/form>
?/body>
?/html>

Queue_2

?html>
?head>
?title>Struktur Data Queue?/title>
?script language = "javascript">
var queue=[];
function Masuk_Antrian(data)
{
queue.unshift(data);
}
function Keluar_Antrian()
{
var yang_keluar_antrian= queue.pop();
if(queue.length == 0)
return "Antrian sudah Kosong";
else
return yang_keluar_antrian;
}
function Dalam_Antrian(list)
{
list.options.length=0;
for (var i = 0; i? queue.length;i++)
{
var data = new Option(queue[i]);
list.options[list.options.length] = data;
}
}
?/script>
?/head>
?body>
?form>
?input type=text name=textSimpan>
?input type=button value="Masuk Antrian"
onClick='Masuk_Antrian(textSimpan.value);
textSimpan.value="";
Dalam_Antrian(Visualisasi);'>
?select name="Visualisasi" size = 12>
?option>Isi Antrian....
?/select>
?input type = text name=textAmbil size=20>
?input type= button value="Keluar Antrian"
onClick='textAmbil.value=Keluar_Antrian();
Dalam_Antrian(Visualisasi);'>
?/form>
?/body>
?/html>