<!DOCTYPE html>
<html ng-app="notesApp">
<head>
    <title>Notes App</title>
    <style>
        .done {
            background-color: limegreen;
        }
        .pending {
            background-color: yellow;
        }
        .assignee {
            color: red;
            font-weight: bold;
        }
    </style>
    <script src="../../tp/angular.js"></script>
</head>
<body ng-controller="MainCtrl as ctrl">

  <div ng-repeat="note in ctrl.notes"
          ng-class="ctrl.getNoteClass(note.done)">
      <span class="label"> {{note.label}} </span>
      <span class="assignee"
            ng-show="note.assignee"
            ng-bind="note.assignee">
            </span>
  </div>

    <script type="text/javascript">
        angular.module('notesApp', []).controller('MainCtrl', [
            function () {
                var self = this;
                self.notes = [
                    {id: 1, label: 'First note', done: false, assignee: 'Simon'},
                    {id: 2, label: 'Second note', done: false},
                    {id: 3, label: 'Done note', done: true},
                    {id: 4, label: 'Last note', done: false, assignee: 'Fred'}
                ];

                self.getNoteClass = function (status) {
                    return {
                        done: status,
                        pending: !status
                    };
                };
            }
        ]);
    </script>

</body>
</html>