This article is originally published on Tinloof. Functional programming is a programming paradigm based on several principles such as immutability and purity. ReasonML extends the functional language OCaml and compiles to JavaScript. This article aims to introduce you to some very basic functional principles present in ReasonML and OCaml. …

5 simple tips to improve the performance of a React application — Note: This article is not meant to perf-shame you. If you’re a beginner in React, don’t focus on performance issues but rather on getting comfortable and productive with it. This article is originally published on Tinloof. The performance of a React application can be defined by how long the user…

This article is originally published on Tinloof. A type is a labeled set of constraints that can be imposed on a value. A type system analyses values in a piece of code, and validates them against their types. JavaScript has a type system, but it’s dynamic. …

This article is originally published on Tinloof. I know, drag and drop is a solved problem. There are several great utilities you can use to easily have a drag and drop list in your application (dragula, react-beautiful-dnd, and react-dnd). These libraries offer APIs that make it easy to meet your…

A concrete example showcasing the performance of JavaScript Maps. — This article is not intended to explore the API of the Map object in details. If you’re looking for such a source, please check out MDN. This article is originally published on Tinloof. In general, the Map data structure is useful when we want to retrieve/add/delete values through a set…

In this article, we will create a Progressive Web Application! Don’t worry, we won’t make another todo list. Instead, we will build a fun game that satisfies Google’s checklist for building a PWA. You can play it here and check the final source code on Github. The article is originally…

Explaining JavaScript scope resolution in ES6. — JavaScript hype is real! The language itself, its community, and its ecosystems are growing extremely fast. Moreover, the existence of so many different sources of knowledge makes the language reflect the anarchy of the Web. …