function isDateimport { isDate } from "https://deno.land/x/isx@1.0.0-beta.22/mod.ts"; isDate(value: unknown): value is DateWhether the value is Date or not. Parametersvalue: unknown Any value. import { isDate } from "https://deno.land/x/isx@$VERSION/mod.ts" import { assertEquals } from "https://deno.land/std@$VERSION/testing/asserts.ts" assertEquals(isDate(new Date()), true) assertEquals(isDate({}), false) Returnsvalue is Date