This trick uses a javascript code,which is given below.Here are the steps to follow this trick:
STEP 1:
: Copy this script:
javascript:(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.”);})();
STEP 2:. To give it a try,open any page say, your gmail page and type the username and password.But don’t hit on enter.
STEP 3:
Paste the above javascript code that you’ve copied on the address bar of your browser.
STEP4 :
That’s it you’ll get a pop-up showing the password that you typed.
Enjoy 