Debugging found unisession. Addjs ('alert ((document. Getelementsbyname ("'+ user_ Password. Jsname + ') [0]. Value))) <> fpkey the code used is as follows: procedure TUnimLoginForm1.UniButton1Click(Sender: TObject); var   FpKey: string; begin   UniSession.AddJS( 'alert((document.getElementsByName("' + user_password.JSName +'")[0].value))');   FpKey:=user_password.text;   //Debugging found unisession. Addjs ('alert ((document. Getelementsbyname ("'+ user_ Password. Js