title: $sce.trustAsHtml return Error : TypeError: html.indexOf is not a function
body: <p>Code example : </p>
  
  <pre><code>&lt;p ng-bind-html="htmlcode | unsafe"&gt;&lt;/p&gt; 
  
  var myApp = angular.module('myApp', ["ngSanitize"]);
  
  myApp.controller('helloController',  ["$scope", "$sce", function ($scope, $sce) {
  
      $scope.htmlcode="text &lt;b&gt;ng-bind-html&lt;/b&gt;";
  
  }
  }])
   .filter('unsafe', function($sce) { return $sce.trustAsHtml; });
  </code></pre>
  
  <blockquote>
    <p>TypeError: html.indexOf is not a function</p>
  </blockquote>
  
  <p>I include "santize.js".</p>