+ cleanBeforeDestroy: function() {
+ clearInterval(this.socketCloseListener);
+ document.removeEventListener('visibilitychange', this.visibilityChange);
+ if (!!this.askLastate) clearInterval(this.askLastate);
+ if (!!this.retrySendmove) clearInterval(this.retrySendmove);
+ if (!!this.clockUpdate) clearInterval(this.clockUpdate);
+ this.conn.removeEventListener("message", this.socketMessageListener);
+ this.send("disconnect");
+ this.conn = null;
+ },