Jeremy Zevin jzevin

Introduction

Each programming language has its own tricks up in its sleeve. Many of them are known to developers, and yet some of them are pretty hackish. In this article, I will show you a couple of tricks I find useful. Some of them I've used in practice and others are the new way of solving old problems. Enjoy! https://devinduct.com/blogpost/26/8-useful-javascript-tricks

1. Ensure Array Values

Ever worked on a grid where the raw data needs to be recreated with the possibility that columns length might mismatch for each row? Well, I have! For ensuring the length equality between the mismatching rows you can use Array.fill method.

let array = Array(5).fill(''); console.log(array); // outputs (5) ["", "", "", "", ""]

2. Get Array Unique Values

from: https://www.youtube.com/@sasquatchbgames
Transform Translation:
- Pros
  - You’ll have EXTREMELY precise control over movement, acceleration, collisions, and everything
  - You don’t need a Rigidbody (unless you want to call OnTriggerEnter2D, then you need a kinematic RB and collider)
- Cons
  - More setup as you have to create your own collision detection
  - Does not work with physics forces (ex. RB.AddForce)
- Notes:
Use in Update

	const path = require('path');
	const HtmlWebpackPlugin = require('html-webpack-plugin');
	const ExtractTextWebpackPlugin = require('extract-text-webpack-plugin');

	const isProd = process.env.NODE_ENV === 'production';



	const options = {
	entry: './src/js/app.js',

	const log = console.log.bind(console);

	const $ = document.querySelector.bind(document);
	const $$ = document.querySelectorAll.bind(document);

	const rnd = {
	color: () => `#${Math.floor(Math.random()*16777215).toString(16)}`,
	dec: (min=0.0,max=1.0) => Math.random() * (max - min) + min,
	int: (min=0,max=1) => Math.floor(Math.random() * (max - min + 1) + min),
	pick: (array) => array[Math.floor(Math.random() * array.length)]

	node_modules
	build
	dist
	.DS_Store
	*.log
	.rpt2_cache
	.rts2_cache_cjs
	.rts2_cache_es
	.rts2_cache_umd
	.vscode

	let re = /hello/i; //insensitive

	// Meta chars
	re = /^h/; // Starts with lower case h => false
	re = /^h/i; // Starts with any case h => true
	re = /--$/i; // end with -- => true
	re = /^--$/i; // must begin and end with -- => false
	re = /w.rld/i; // matches any ONE char => true
	re = /w*d/i; // matches any char 0 or more times => true
	re = /w?rld/i; // matches optional character => true

	{
	"playing card back": {
	"title": "playing card back",
	"html": "🂠",
	"css": "\\1F0A0",
	"unicode": "U+1F0A0"
	},
	"ace of spades": {
	"title": "ace of spades",
	"html": "🂡",

	const tls = require("tls");
	const fs = require("fs");

	const origCreateSecureContext = tls.createSecureContext;

	tls.createSecureContext = options => {
	const context = origCreateSecureContext(options);

	const pem = fs
	.readFileSync(process.env.NODE_EXTRA_CA_CERTS, { encoding: "ascii" })