title: How to filter multiple values (OR operation) in angularjs if filter is false
body: <p>Have some trouble with multiple filters. One filter works good, if add second filter ng-repeat get filters with operator AND, but I need take second filter if first is FALSE.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>function Ctrl($scope) {
    $scope.users = [
      {"id":1,"username":"", "age": "18"},
      {"id":8,"username":"betty", "age": ""},
      {"id":14,"username":"", "age": "18"},
      {"id":3,"username":"jumbo1", "age": ""},
    ]
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"&gt;&lt;/script&gt;
  &lt;body ng-app&gt;
    &lt;div ng-controller="Ctrl"&gt;
      &lt;div ng-repeat="user in filtered = (users | filter:{ 'username':'betty'}:true)"&gt;
        &lt;span&gt;{{ user.id }}&lt;/span&gt;
      &lt;/div&gt;  
    Users: {{users.length}}&lt;br&gt;
    Filtered Users: {{filtered.length}}    
    &lt;/div&gt;
  &lt;/body&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>Multiple filters like, don't work:</p>
  
  <pre><code>filter:{ 'username':'betty'} || { 'age':'18'}
  </code></pre>
  
  <p>Finally need if first filter is FALSE take second filter</p>