es" class="header-anchor">#</a> Properties</h2> <h3 id="datasetindex"><a href="#datasetindex" class="header-anchor">#</a> datasetIndex</h3> <p>• <strong>datasetIndex</strong>: <code>number</code></p> <h4 id="defined-in"><a href="#defined-in" class="header-anchor">#</a> Defined in</h4> <p><a href="https://github.com/chartjs/Chart.js/blob/5ea4b3a/types/index.esm.d.ts#L471" target="_blank" rel="noopener noreferrer">index.esm.d.ts:471<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="