s the <code>$scope.$broadcast</code> events are triggered, which is top down. This means that parent
components will have their <code>$onDestroy()</code> hook called before child components.</li>
<li><code>$postLink()</code> - Called after this controller&#39;s element and its children have been linked. Similar to the post-link
function this hook can be used to set up DOM event handlers and do direct DOM manipulation.
Note that child elements that contain <code>templateUrl</code> directives will not have be