function defaultimport { default } from "https://deno.land/x/date_fns@v2.3.0/endOfDecade/index.js"; default(dirtyDate)Examples// The end of a decade for 12 May 1984 00:00:00: var result = endOfDecade(new Date(1984, 4, 12, 00, 00, 00)) //=> Dec 31 1989 23:59:59.999 ParametersdirtyDate the original date