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>