FrameFrame.frameElementVersion: 23.8.0On this pageFrame.frameElement() 方法 ¥Frame.frameElement() method 签名 ¥Signature class Frame { frameElement(): Promise<HandleFor<HTMLIFrameElement> | null>;} Returns: Promise<HandleFor<HTMLIFrameElement> | null> 与此框架关联的框架元素(如果有)。 ¥The frame element associated with this frame (if any).