<html>
<head>
<script type='text/javascript'>
a = new Array();
function unico(){
if(a.length > 100){
clearInterval(id);
imprimir();
}
else {
a.push(new Date().getTime());
}
}
function imprimir(){
for(var i = 0; i < a.length; i++){
document.write(i +" = " + a[i] + "<br/>")
}
for(var i = 0; i < a.length; i++){
if(a[i] == a[++i]){
alert('Hay un numero repetido');
}
}
}
function limpiar(){
}
</script>
</head>
<body>
<script type='text/javascript'>
id = setInterval(unico, 100);
</script>
</body>
</html>