Hai cercato la traduzione di webkitfullscreenchange da Inglese a Russo

fullscreen api also supports full screen status change events, such as ‘mozfullscreenchange’ and ‘webkitfullscreenchange’, respectively.
fullscreen api также реализует события изменения состояния отображения – ‘mozfullscreenchange’ и ‘webkitfullscreenchange’ соответственно.

document.addeventlistener('webkitfullscreenchange', this.webkitfullscreenevent = function() { if (!document.webkitisfullscreen) { self.container.width(width); self.container.height(height); } });
document.addeventlistener('webkitfullscreenchange', this.webkitfullscreenevent = function() { if (!document.webkitisfullscreen) { self.container.width(width); self.container.height(height); } });