ader qm-code-font"><span class="qm-changelog-javascript-header"><span class="qm-changelog-javascript-prototype"><div class="qm-api-item-header qm-api-item-header-prototype"><span class="qm-api-javascript-header-prototype qm-api-header-details qm-code-font" id="hx.collapsible"><span class="qm-api-javascript-prototype-name">hx.Collapsible</span></span><span class="qm-api-header-tags"></span></div></span><span class="qm-changelog-javascript-event"><div class="qm-api-item-header qm-api-item-header-property"><sp