s"><a href="#indexaxis" class="header-anchor">#</a> indexAxis</h3> <p>• <strong>indexAxis</strong>: <code>&quot;x&quot;</code> | <code>&quot;y&quot;</code></p> <p>The base axis of the chart. 'x' for vertical charts and 'y' for horizontal charts.</p> <p><strong><code>default</code></strong> 'x'</p> <h4 id="defined-in-3"><a href="#defined-in-3" class="header-anchor">#</a> Defined in</h4> <p><a href="https://github.com/chartjs/Chart.js/blob/5ea4b3a/types/index.esm.d.ts#L66" target="_blank" rel="noopener nore