title: How to add simple dom-element into ExtJS container?
body: <p>I want to add <code>Canvas</code> element into <strong>ExtJS</strong> <code>Container</code> element. But it accepts only <code>Ext.Component</code>, not any dom element.</p>
  
  <p>Canvas create code:</p>
  
  <pre><code>canvas = document.createElement('canvas');
  </code></pre>
  
  <p>How to insert it into container, or I need to use another ext component? I need to have some resize logic for component, container have it.</p>