Недавно мы перенесли 30 тысяч строк кода JavaScript нашей системы MemSQL Studio с Flow на TypeScript. В этой статье я расскажу, почему мы портировали кодовую баз...

Как мне кажется, имеет смысл поговорить о том, что то, что творится в современном вебе, воспринимается снаружи и внутри совершенно иначе…

In this tutorial, we will learn about how to fetch and update the data from the GraphQL API in react apps by using the Apollo client. We are…

Thank you  Burke Holland  for this amazing article!   Over at css-tricks.com, the elegant and both vertically and horizontally centered Chris Coyier wrote a post called “ How to stop using console.log() and start using your browser’s debugger .”  It’s a good, concise post, and he makes some great po

Recently, I worked on a task of adding a time zone feature to the JavaScript calendar library managed by my team. I pretty well knew that…

It’s easier than you think!

A Cost vs Benefit Analysis

In this post, we’ll discuss the fundamentals of Functional Programming and how they apply to modern JavaScript. We’ll also avoid unnecessary jargon like monads and functors and stick to concepts that will make our code better.

When you read about Array.reduce and how cool it is, the first and sometimes the only example you find is the sum of numbers. This is not…

Converting a string to a number in JavaScript is [surprisingly subtle](https://gomakethings.com/converting-strings-to-numbers-with-vanilla-javascript/). With `NaN`, [implicit radixes](https://www.w3schools.com/jsref/jsref_parseint.asp), and numbers vs [Numbers](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), there are a lot of ways to shoot yourself in the foot. In this article, I'll cover the tradeoffs of `parseFloat()` vs `Number()` and `Number.isNaN()` vs `isNaN()`. I'll also describe how to enforce these rules with [eslint](https://eslint.org/).

Learn how to setup your React app from scratch using webpack and Babel.

Кто сказал, что разработчики могут учиться новому только через книги, видео и анализ чужого кода? Ведь у нас и другие каналы получения информации из окружающег...

Firefox 65 ships today with some notable Firefox Devtools updates, including the release of the CSS Flexbox Inspector, a new changes panel, and more. We're shipping CSS platform improvements and ...

A mini-rewrite case study of two testing libraries

An in-depth description of the React programming model.

Next-Generation full text search library for Browser and Node.js - nextapps-de/flexsearch

With React 16.8, React Hooks are available in a stable release! What Are Hooks?  Hooks let you use state and other React features without writing a class. You can also build your own Hooks to share reusable stateful logic between components. If you’ve never heard of Hooks before, you might find these resources interesting: Introducing Hooks explains why we’re adding Hooks to React. Hooks at a Glance is a fast-paced overview of the built-in Hooks. Building Your Own Hooks demonstrates code reuse…

When Javascript applications get to a certain size, it’s helpful to separate the code into modules. However, when we do so, we can end up with code imported that isn’t actually used. Tree shaking is a method of optimising our code bundles by eliminating any code from the