code: function update() {
  	      if (this.enabled) {
  	        var mode;
  
  	        if (this.forceFallback) {
  	          mode = 'Fallback (forced)';
  	        } else if (Fullscreen.native) {
  	          mode = 'Native';
  	        } else {
  	          mode = 'Fallback';
  	        }
  
  	        this.player.debug.log("".concat(mode, " fullscreen enabled"));
  	      } else {
  	        this.player.debug.log('Fullscreen not supported and fallback disabled');
  	      } // Add styling hook to show button
  
  
  	      toggleClass(this.player.elements.container, this.player.config.classNames.fullscreen.enabled, this.enabled);
  	    }
docs: Update UI