Want to Reveal the Passwords Hidden Behind Asterisk (****) ?
Follow the steps given below-
1) Open the Login Page of any website. (eg. http://mail.yahoo.com)
 

2) Type your 'Username' and 'Password'.
3) Copy and paste the JavaScript code given below into your browser's address bar and press
'Enter'.
javascript: alert(document.getElementById('Passwd').value);
 
4) As soon as you press 'Enter',

 A window pops up showing Password typed by you..!
 
Note :-     This trick may not be working with firefox.