async def waitForFunction(
self,
expression: str,
arg: Serializable = None,
force_expr: bool = None,
timeout: int = None,
polling: Union[int, Literal["raf"]] = None,
) -> JSHandle:
if not is_function_body(expression):
force_expr = True
return await self._main_frame.waitForFunction(**locals_to_params(locals()))
async def evaluateHandle(self,
expression: str,
arg: Serializable = None,
force_expr: bool = None) -> JSHandle:
if not is_function_body(expression):
force_expr = True
return from_channel(await self._channel.send(
"evaluateExpressionHandle",
dict(
expression=expression,
isFunction=not (force_expr),
arg=serialize_argument(arg),
),
))
async def waitForFunction(
self,
expression: str,
arg: Serializable = None,
force_expr: bool = None,
timeout: int = None,
polling: Union[int, Literal["raf"]] = None,
) -> JSHandle:
if not is_function_body(expression):
force_expr = True
params = locals_to_params(locals())
params["isFunction"] = not (force_expr)
params["arg"] = serialize_argument(arg)
return from_channel(await self._channel.send("waitForFunction",
params))