title: How to copy text from specific table <td> tag to clipboard?
body: <p>Given this HTML:</p>
  
  <pre><code>&lt;html&gt;
  &lt;body&gt;
  &lt;table&gt;
    &lt;tr&gt;
      &lt;td&gt;Copy This Text&lt;/td&gt;
      &lt;td&gt;&lt;button type="button"&gt;Copy&lt;/button&gt;&lt;/td&gt;
    &lt;/tr&gt;
  &lt;/table&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>When the user clicks on that button, how can I copy the the text from first <code>TD</code> tag to clipboard? </p>