<script>
var arr = Array();
for (i=1; i<=50; i++){
var n = Math.floor((Math.random()*10+1));
if (arr.indexOf(n) == -1){
arr.push(n);
document.write(n+" ");
}
}
document.write("<br>");
var angka = [1,2,3,4,5,6,7,8,9,10];
for(var i=0;i<10;i++){
var j = ((Math.floor((Math.random()*10))+1)%angka.length);
document.write(angka[j]+" ");
angka.splice(j,1);
}
</script>