function isFunctionimport { isFunction } from "https://deno.land/x/isx@1.0.0-beta.18/mod.ts"; isFunction(value: unknown): value is FunctionWhether the value is Function or not. Parametersvalue: unknown Any value. import { isFunction } from "https://deno.land/x/isx@$VERSION/mod.ts" import { assertEquals } from "https://deno.land/std@$VERSION/testing/asserts.ts" assertEquals(isFunction(() => {}), true) assertEquals(isFunction({}), false) Returnsvalue is Function