其他CommonEventEmitterCommonEventEmitter.offVersion: 23.8.0On this pageCommonEventEmitter.off() 方法 ¥CommonEventEmitter.off() method 签名 ¥Signature interface CommonEventEmitter { off<Key extends keyof Events>( type: Key, handler?: Handler<Events[Key]>, ): this;} 参数 ¥Parameters 范围类型描述type键handler处理程序<事件[按键]>(可选的) Returns: this