<a href="controlling-tooltips.html#cb214-3"></a><span class="st">  </span><span class="kw">layout</span>(<span class="dt">xaxis =</span> <span class="kw">list</span>(<span class="dt">hoverformat =</span> <span class="st">&quot;.2f&quot;</span>))</span></code></pre></div>
<div class="figure" style="text-align: center"><span id="fig:tooltip-format-heatmap"></span>
<img src="images/tooltip-format-heatmap.png" alt="Formatting the displayed z values in a heatmap using zhoverformat." width="100%" data-url="/inter