
          </li>
        </ul>
        <br /><br />
        <p style="max-width: 700px; margin: auto">
          This post follows the previous
          <a href="../line_basic.html">basic line chart</a> with d3.js. It
          simply describes how to add a confidence interval around the main
          line. See more line chart examples in the
          <a href="../line.html">dedicated section.</a> This example works with
          d3.js <code>v4</code> and <code>v6</code>
        </p>
        <br />
     