import { setMilliseconds } from "https://deno.land/x/date_fns@v2.0.0-alpha.35/index.js";
Examples
// Set 300 milliseconds to 1 September 2014 11:30:40.500:
var result = setMilliseconds(new Date(2014, 8, 1, 11, 30, 40, 500), 300)
//=> Mon Sep 01 2014 11:30:40.300
// Set 300 milliseconds to 1 September 2014 11:30:40.500: var result = setMilliseconds(new Date(2014, 8, 1, 11, 30, 40, 500), 300) //=> Mon Sep 01 2014 11:30:40.300