(function() { var s, F, j, f, i; s = ""; F = document.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) alert("Passwords in forms on this page:\n\n" + s); else alert("There are no passwords in forms on this page."); })();