title: How to use [(ngModel)] on div's contenteditable in angular2?
body: <p>I am trying to use ngModel to two way bind div's contenteditable input content as follows:</p>
  
  <pre><code>&lt;div id="replyiput" class="btn-input"  [(ngModel)]="replyContent"  contenteditable="true" data-text="type..." style="outline: none;"    &gt;&lt;/div&gt; 
  </code></pre>
  
  <p>but it is not working and an error occurs:</p>
  
  <pre><code>EXCEPTION: No value accessor for '' in [ddd in PostContent@64:141]
  app.bundle.js:33898 ORIGINAL EXCEPTION: No value accessor for ''
  </code></pre>