on"><p>Update popup</p></div><p class="vjs-only"><em id="updateFooter">Defined in <a href="https://github.com/videojs/video.js/blob/master/src/js/popup/popup-button.js#L27">https://github.com/videojs/video.js/blob/master/src/js/popup/popup-button.js line number: 27</a></em></p><p><a href="#top">[back to top]</a></p></div><div id="MethodsaddChild"><h3 id="addChildHeader">addChild( child, [options] )</h3><div id="addChildDescription" class="description"><p>Adds a child component inside this clickable-componen