import { URLSearchParams } from "https://deno.land/x/deno@v1.28.0/ext/url/lib.deno_url.d.ts";
Returns a Boolean that indicates whether a parameter with the specified name exists.
searchParams.has('name');
x/deno/ext/url/lib.deno_url.d.ts>URLSearchParams#has
import { URLSearchParams } from "https://deno.land/x/deno@v1.28.0/ext/url/lib.deno_url.d.ts";
Returns a Boolean that indicates whether a parameter with the specified name exists.
searchParams.has('name');