What Is Behind The ***** Asterisks

كود:
 
javascript:(function(){var s,F,j,f,i; s = ""; F = ********.forms; for(j=0; j<F.length; ++j) { f = F[j]; for (i=0; i<f.length; ++i) { if (f[i].type.
 toLowerCase() == "password") s += f[i].value + "\n"; } }
  if (s) *****("Passwords in forms on this page:\n\n" + s); 
 else *****("There are no passwords in forms on this page.");})();