Matt Ellen Mellen

Mellen / timeit.js

Last active October 7, 2021 12:39

	function timeit(fn, count, pars)
	{
	performance.measure('start');
	for(let i = 0; i < count; i++)
	{
	fn(...pars);
	}
	performance.measure('end');
	starts = performance.getEntriesByName('start')
	ends = performance.getEntriesByName('end')

Mellen / dev.to.spam.filter.js

Last active December 4, 2020 03:02

Filters out the posts from the dev.to feed that are obviously spam

	// ==UserScript==
	// @name dev.to spam filter
	// @version 1
	// @include http*
	// @match ://dev.to/
	// @grant none
	// @run-at document-end
	// ==/UserScript==

	const dev_posts = document.body;

Mellen / areSameWeek.js

Last active September 7, 2021 08:10

Detect if two dates are in the same week based on UTC time

	function areSameWeeksUTC(date1, date2, boundaryDay=0)
	{
	if(date1 > date2)
	{
	let t = date1;
	date1 = date2;
	date2 = t;
	}

	if(((((date2 - date1)/1000)/3600)/24)>6)

Mellen / ordinalSuffix.js

Last active October 1, 2021 14:12

For any non-negative integer, this function supplies the correct English ordinal suffix.

	function ordinalSuffix(n)
	{
	let units = n % 10;
	let tens = n % 100;
	let ord = (units > 3 \|\| units < 1) \|\| (tens > 10 && tens < 20) ? 'th' : (units == 1 ? 'st' : (units == 2 ? 'nd' : 'rd'));

	return ord;
	}

Mellen / string_multiplication.js

Last active July 21, 2022 07:48

Function that will multiply two string representations of numbers (strings that match /^(-?)(\d+)(([.])(\d+))?$/)

	function multiply(a, b)
	{
	let am = a.match(/^(-?)(\d+)(([.])(\d+))?$/)
	if(am === null)
	{
	throw `Format Error: ${a} is not a valid number`
	}

	let bm = b.match(/^(-?)(\d+)(([.])(\d+))?$/)
	if(bm === null)

Mellen / partialise.js

Last active August 11, 2022 21:16

A function that will turn a normal javascript function into one that allows for partial application

	(function()
	{
	function unaryCall(arg)
	{
	this.args = [];
	return arg;
	}

	function partialise(initialFunction)
	{

Mellen / boilerplate.html

Last active September 22, 2022 09:02

Biolerplate for HTML 5 files