# class: Foo This is a class. ## event: Foo.frame - type: <[Frame]> This event is dispatched. ## method: Foo.$ - returns: <[Promise]<[ElementHandle]>> The method runs document.querySelector. ### param: Foo.$.selector - `selector` <[string]> A selector to query page for ## property: Foo.url - type: <[string]> Contains the URL of the request.