This post describes how to build a very basic
          <a href="../donut.html">donut chart</a> with d3.js. You can see many
          other examples in the
          <a href="../donut.html">donut chart section</a> of the gallery.
          <u>Watch out</u>: pie and donut chart are most of the time a very bad
          way to convey information as explained in
          <a href="https://www.data-to-viz.com/caveat/pie.html">this post</a>.
          This example works with d3.js <code>v4</code> and <code>v6</