function bouncer(arr) {
// Don't show a false ID to this bouncer.
var a = [];
var count = 0;
for (var i = 0; i < arr.length; i++) {
if (arr[i]) {
console.log(count);
a[count] = arr[i];
count++;
}
}
return a;
}
bouncer([7, "ate", "", false, 9]);