title: tinymce 4 loading but showing tinymce.get is undefined
body: <p>I'm working in a form update section using Tinymce and jquery and using ejs for load form including textarea  and i call tinymce (tinymce init) using JavaScript function right after the ejs loaded.
  The editor is working fine, but when i use </p>
  
  <pre><code>tinymce.get("content-text").setContent( $(".grid:first").html() );
  </code></pre>
  
  <p>for set content to editor its showing error.
  if i load the textarea form and load tinymce again it will work ;) I don't what is happening here.</p>