frame_manager.py 文件源码

def waitForFunction(self, pageFunction: str, options: dict = None,
                        *args: str, **kwargs: Any) -> Awaitable:
        """Wait for js function return true."""
        if options is None:
            options = dict()
        options.update(kwargs)
        timeout = options.get('timeout',  30_000)  # msec
        interval = options.get('interval', 0)  # msec
        return WaitTask(self, 'function', pageFunction, timeout, *args,
                        interval=interval)