title: How to filter nested ng-repeat by parent id?
body: <p>I have an array</p>
  
  <pre><code>lists = [{"id":"1234"},{"id":"5423"},{"id":"65342"}]
  </code></pre>
  
  <p>And array with contents:</p>
  
  <pre><code>contents = [{"id":"1","listId":"1234"},{"id":"2","listId":"5423"}]
  </code></pre>
  
  <p>How can I filter ng-repeat for "contents" inside ng-repeat for "lists" and filter "contents" by content.listID equal list.id?</p>