stack 2

?html?
?head??title>struktur data 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 {
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=button value="Ambil dari Stack" onClick="textAmbil.value=Ambil_dari_stack();
TampilkanStack(mediaList);"?
?input type=text name=textAmbil size=20?
?/form?
?/body?
?/html?