method Frame.prototype.$import { Frame } from "https://dotland.deno.dev/x/puppeteer@16.2.0/mod.ts"; $<Selector extends string>(selector: Selector): Promise<ElementHandle<NodeFor<Selector>> | null>Queries the frame for an element matching the given selector. Queries the frame for an element matching the given selector. Type ParametersSelector extends stringParametersselector: Selector The selector to query for. ReturnsPromise<ElementHandle<NodeFor<Selector>> | null>A {@link ElementHandle | element handle} to the first element matching the given selector. Otherwise, null.