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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - The video which is rendered by HTML template would be black when paused"
   href="https://bugs.webkit.org/show_bug.cgi?id=165243">165243</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>The video which is rendered by HTML template would be black when paused
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Safari 10
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>iPhone / iPad
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>iOS 10
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Media Elements
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>jiangshanyanyuwhn&#64;gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The video which is rendered by HTML template would be black when paused.

example: <a href="https://thekingofgods.github.io/bugs/video-1.html">https://thekingofgods.github.io/bugs/video-1.html</a>

core code:
  var elBox = document.getElementById('box');
  var tpl = document.createElement('template');
  var documentFragment;

  tpl.innerHTML = '&lt;video src=&quot;<a href="http://XX">http://XX</a>&quot; controls playsinline preload=&quot;metadata&quot;&gt;';
  documentFragment = tpl.content;
  elBox.appendChild(documentFragment);</pre>
        </div>
      </p>
      <hr>
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      <ul>
          <li>You are the assignee for the bug.</li>
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