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Here's a list of resources for learning React.

In general, I find the best way to learn something is to have a project to try it out with. These resources and tutorials are a good way to support your own project-based learning.


Intro to React (link)

An official tutorial from the React team that walks you from zero to building a simple game. It does a great job of introducing all the core React concepts in simple language.

rosszurowski / un-country-centroids.json
Last active Feb 7, 2019
A compiled list of coordinates for all 193 countries in the UN. Compiled from this list of UN members (, and this list of country centroids (
View un-country-centroids.json
{ "name": "Afghanistan", "lat": 33, "long": 66 },
{ "name": "Albania", "lat": 41, "long": 20 },
{ "name": "Algeria", "lat": 28, "long": 3 },
{ "name": "Andorra", "lat": 42.5, "long": 1.5 },
{ "name": "Angola", "lat": -12.5, "long": 18.5 },
{ "name": "Antigua and Barbuda", "lat": 17.05, "long": -61.8 },
{ "name": "Argentina", "lat": -34, "long": -64 },
{ "name": "Armenia", "lat": 40, "long": 45 },
{ "name": "Australia", "lat": -25, "long": 135 },

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rosszurowski / data.json
Created Sep 22, 2015
Force-directed text editor
View data.json
View timestamp.html
<!DOCTYPE html>
<meta charset="utf-8">
<title>Timestamp Demo</title>
<script src="timestamp.js"></script>
rosszurowski / nerp.js
Created Dec 10, 2014
An n-th degree polynomial interpolator. Used as an alternative for common `lerp` functions
View nerp.js
* N-th degree polynomial interpolation
* @param {Number} degree
* @param {Number} min
* @param {Number} max
* @param {Number} amount
* @returns {Number}
function nerp(degree, min, max, amount) {
return min + Math.pow(amount, degree) * (max - min);
rosszurowski / lerp-color.js
Last active Jul 25, 2019
Linear interpolation for hexadecimal colors.
View lerp-color.js
* A linear interpolator for hexadecimal colors
* @param {String} a
* @param {String} b
* @param {Number} amount
* @example
* // returns #7F7F7F
* lerpColor('#000000', '#ffffff', 0.5)
* @returns {String}
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