Method expose_function

playwright/_impl/_page.py:512–513

(self, name: str, callback: Callable)

        return await self._main_frame.add_style_tag(**locals_to_params(locals()))

    async def expose_function(self, name: str, callback: Callable) -> Disposable:
        return await self.expose_binding(name, lambda source, *args: callback(*args))

    async def expose_binding(self, name: str, callback: Callable) -> Disposable:
        if name in self._bindings: