anchor.diff:    div.jumbotron(style="display:none")
      h1 Hello !
        p Welcome, to our application
  +     br
  +    form#export(action="/export", method="post") 
  +    button.btn.btn-lg.btn-primary(id="exportCSV" type="submit") Export BDD
   include footer.jade
  
positive.code:               else
                  $(".alert").show();
  
  
              , 'json'
  
    body
    include header.jade
  
negative.code:           console.log 'ready'
            $(".jumbotron").hide();
            $('#login').submit (e) ->
              user =
                username: $('#login-username').val()
                password: $('#login-password').val()
              console.log 'user', user
              e.preventDefault()
              $.post "/login", user, (data) ->
                console.log 'data', data
                if data.username is user.username and data.password is user.password or data.email is user.username and data.password is user.password 
                  $("#login").hide();
  