function bouncer(arr) {
    var falsyList = [false, null, 0, "", undefined, NaN];
  // Don't show a false ID to this bouncer.
  for (i = 0; i < arr.length; i++) {
   for (j = 0; j < falsyList.length; j++) {
     if (falsyList[j] == arr[i]) {
       arr.splice(i,1);
     }
     //WHY DOESNT THIS WORK!?!?!??!
     if (arr[i] === null){
       arr.splice(i,1);
     }
   }
  }
  return arr;
}

bouncer([false, null, 0, NaN, undefined, ""]);