title: Which expression wouldn't pass $sce.trustAsHtml sanitize?
body: <p>Suppose I have - </p>
  
  <pre><code>$scope.trustAsHtml = $sce.trustAsHtml; 
  
  &lt;p ng-bind-html="trustAsHtml(expression)"&gt;&lt;/p&gt;
  </code></pre>
  
  <p>What does the <code>trustAsHtml</code> could check such that its <code>expression</code> wouldn't displayed as trust HTML ? </p>
  
  <p>Please provide me some examples . </p>