d>function</td><td>yes</td><td>The event handler</td></tr></tbody></table><p class="vjs-only"><em id="onFooter">Defined in <a href="https://github.com/videojs/video.js/blob/master/src/js/component.js#L605">https://github.com/videojs/video.js/blob/master/src/js/component.js line number: 605</a></em></p><p><a href="#top">[back to top]</a></p></div><div id="Methodsone"><h3 id="oneHeader">one( first, second, [third] )</h3><div id="oneDescription" class="description"><p>Add an event listener to be triggered only