Untitled

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
function User(){
  var username;
  var password;
  function doLogin(usr,pwd){
    username = usr;
    password = pwd;
    console.log ("my username is"+username);
  }
  var publicAPI = {
    login:doLogin
  }
  return publicAPI;
}
var JaneDoe = User();
JaneDoe.login("Jane","123test");
</script>


<script id="jsbin-source-javascript" type="text/javascript">
function User(){
  var username;
  var password;
  function doLogin(usr,pwd){
    username = usr;
    password = pwd;
    console.log ("my username is"+username);
  }
  var publicAPI = {
    login:doLogin
  }
  return publicAPI;
}
var JaneDoe = User();
JaneDoe.login("Jane","123test");
</script></body>
</html>