anchor.diff:              '&lt;/ul&gt;' +
               '&lt;input #textbox (keyup)="doneTyping($event)">' +
               '&lt;button (click)="addTodo(textbox.value)"&gt;Add Todo&lt;/button&gt;',
  -          directives: [angular.NgFor, angular.NgIf]
  +          directives: [angular.NgFor]
           })
         ];
   
  
positive.code:       @View({
          template: `
            &lt;ul&gt;
              &lt;li *ngfor="#todo of todos"&gt;
                {{ todo }}
              &lt;/li&gt;
            &lt;/ul&gt;
  
negative.code:           &lt;input #todotext (keyup)="doneTyping($event)"&gt;
            &lt;button (click)="addTodo(todotext.value)"&gt;Add Todo&lt;/button&gt;
                  `,
          directives: [NgFor]
        })
        class TodoList {
          todos: Array&lt;string&gt;;
  