ing</a> / HTMLElement</span></span></span></span><span class="qm-api-javascript-header-function-returns"><span class="qm-api-type">TitleBar</span></span></span><span class="qm-api-header-tags"></span></div></div></div></div><div class="qm-api-collapsible-content"><div class="qm-api-item-content"><div class="qm-api-description"><div class="qm-html-paragraph">Sets the active titlebar link, causing the underline to show all the time instead of just when the link is hovered over. </div></div><div class="qm-api-