TENJAVASCRIPT #231

How the BBC World Service migrated 31 million weekly readers to an isomorphic react app and improved page performance by up to 83%

👏 A great write-up from BBC after they migrated a huge legacy PHP application to a modern React-based stack.

#React #Story

TypeScript Performance

🔧 Microsoft rolled out a new wiki page with the best practices for improving TypeScript performance. That is you can make use of it if your TypeScript is slow (never happened to me yet).

#TypeScript

Understanding React's useReducer Hook

👀 The useReducer hook is a way to define state in a way that lets you decouple how the state is updated from the action that triggered the update. That can lead to a cleaner more declarative code.

#React

React hover animation effect with React

✨ Little hover animations are essential for great user experience. In this article, author shows how to implement the particular tricky ones when a state restores after a brief period of time (it's easier to see than explaining).

#React

Monads simplified with Generators in TypeScript: Part 1

🦞 Yeah, I know. Monads might not sounds like a perticularly practical topic. Nevertheless we work with monad-like structures every day (for example, arrays, or promises).

#Functional #TypeScript

From JavaScript to WebAssembly in three steps

⚡ Marcel Duin shares his journey of improving the performance of our ultra resolution storytelling tool Micrio by upgrading the JavaScript-only client to WebAssembly.

#WebAssembly #Performance

Node.js MySQL tutorial: a step-by-step getting started guide with Express js REST API

🔥 A quick and quit nice Node.js + MySQL tutorial.

#Node

The Perfect Dark Mode

⭐ I'm not sure how big is the problem of flickering when loading dark mode on websites is. But as a technical challenge it's quite an interesting to tackle, have a look!

#Looknfeel

Super simple start to Firebase functions

🍺 Kent C. Dodds shows how to get started with Firebase functions.

#Serverless

What’s the difference between Event Handlers & addEventListener in JS?

👉 Did you know that event handlers and event listeners are not the same thing? If you are as surprised as me, read on.

#Dom

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#230 — Insights from the introducing TypeScript at Bloomberg, managing React state, and more

Friday, November 13, 2020

TENJAVASCRIPT #230 "Before and after when you first start learning CSS 😅" => That looks embarrassingly familiar // @denicmarko 10 Insights from Adopting TypeScript at Scale 🔥 Rob Palmer of

#229 — ES2021 new features, updated redux tutorial, and more

Friday, November 6, 2020

TENJAVASCRIPT #229 What new in ES2021 (aka ES12)? 🆕 ES2021 includes pretty inteesting updates to the language such as String.prototype.replaceAll, private methods (with ugly # syntax), ||= and

#228 — Npm 7, a great event loop explanation, and more

Monday, October 19, 2020

TENJAVASCRIPT #228 Sometimes the job interview has nothing to do with the actual job // Vincent Déniel Npm v7 released 🔧 Great news! Npm finally supports workspaces. On my previous project that was for

#227 — Moment.js declared legacy, useful Node packages, and more

Friday, September 18, 2020

TENJAVASCRIPT #227 Couldn't find out who's the original author 😒 Moment.js project status 👋 Moment.js authors officially declare it a legacy project. That's a wise and timely decision.

#226 — Reasons not to use GraphQL, making WAVs, and more

Friday, August 28, 2020

TENJAVASCRIPT #226 "Me writing JavaScript" // by @KassandraSanch Transduction in JavaScript 🔥 The functional approach may sometimes lead performance issues. But there are ways to remedy those