JS Area Code Gen V2

<script>
var areacode=prompt("Enter Area Code:");
var out=prompt("Enter Amout:");
var oo=0;
while(out!=oo){
out--;
var m=Math.floor(Math.random()*9999999.99);

var fin="1-"+areacode+"-"+m;
document.writeln("<a href="+fin+">"+fin+"</a><br>");
}
</script>