title: Unable to add resize event to tinymce editor
body: <p>I am not able to add  resize event to tinymce editor. it is giving me:-</p>
  
  <pre><code>Uncaught TypeError: tinymce.dom.Event.add is not a function
  </code></pre>
  
  <p>What is the right way to do so?</p>
  
  <pre><code>tinymce.init({
          selector: ".tinymceTextarea",
          width:      '100%',
          height:     '100%',
          plugins:    plugins,
          statusbar:  false,
          menubar:    false,
          toolbar:    toolbar,
          fontsize_formats : "8px 10px 12px 14px 16px 18px 20px 24px 32px 36px",
      //    init_instance_callback: "initTinyMCE",
          setup: function(e) {
          e.on('init', function() { 
              tinymce.dom.Event.add(e.getWin(), "resize", function(e1) {
                  console.log("=====")
              })
          });
  
  });
  </code></pre>
  
  <p>Thanks in advance</p>