title: how to set visibility to a class with angular.js
body: <p>using angular.js is there a way to set the visibility of all the elements in the page with a specific class using a single model variable?</p>
  
  <p>the angular equivalent of </p>
  
  <pre><code>$(".myClass").hide();
  </code></pre>
  
  <p>thanks,
    Luca</p>