tag">&lt;<span class="hljs-name">button</span> <span class="hljs-attr">class</span>=<span class="hljs-string">"hx-btn"</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"collapsibleMenu"</span>&gt;</span>Menu with children<span class="hljs-tag">&lt;/<span class="hljs-name">button</span>&gt;</span></code></pre></div></div><div class="example-code-section"><h3>JavaScript</h3><div class="qm-code-highlight-codeblock language-js"><pre><code class="qm-code-font">menu = <span class="hljs-keyword">