WebAssembly Core is now an official web standard

The World Wide Web Consortium (W3C) announced that the WebAssembly Core Specification is now an official web standard. “The arrival of WebAssembly expands the range of applications that can be achieved by simply using Open Web Platform technologies. ... more

JSON Compression: Alternative Binary Formats and Compression Methods

TL;DR: If you are considering using an alternative binary format in order to reduce the size of your persisted JSON, consider this: the final compressed size of the data has very little to do with the serialization method, and almost everything to do ... more

How Gatsby can power your site offline - even without JavaScript

You know the feeling: you saw a cool website or read an interesting article the other day, and you’d like to check back on it, or maybe you’re with some people that you’d like to share it with. But what’s this? You don’t have any phone signal, and the ... more

Gatsby Gazette: The "What happened to October?" Edition

October means halloween! For your spooky reading pleasure, the blog now has a dark mode. So dim the lights, pull up a comfy chair and let’s begin. In September we posted our Series A funding announcement, then headed to the UK for Gatsby Days, London. ... more

How to convert an existing Gatsby blog to use MDX

What is MDX? MDX is a file format that lets you add JSX to Markdown files via a .mdx file! It was started by and is maintained by Gatsby’s John Otander and the open source community on Github. With MDX, you can import React components and declare them ... more

Announcing Gatsby Cloud

We’re excited to announce the launch of Gatsby Cloud: a commercial platform of stable, trusted tools that enable web creators to build better websites. Gatsby Cloud enhances our content mesh platform with interoperable, out-of-the-box solutions to launch ... more

Making it easier to start with Gatsby Cloud for free

When you go to our Quickstart page to try Gatsby Cloud, you’ll probably find yourself in one of two situations. Situation 1: you already have a Gatsby project Situation 2: you don’t have a Gatsby project yet Either way, Gatsby Cloud will work for you! ... more

MobX with React Native, Simplified

State management is the core of any React application and as React is just a UI library, we need something to take care of the state of our app. State management can become troublesome and it is easy to create unmanageable React applications because ... more

syg/standard-library-task-group: Standard Library Task Group for TC39

Task Group for JavaScript Standard Library. ... more

ECMAScript proposal updates @ 2019-12

The changes of proposal’s status @ 73th meeting of Ecma TC39 New Proposals Proposal Stage Generator arrow functions 1 Array reject 1 Operator overloading 1 Module Attributes 1 Updated Proposals Proposal From To for-in mechanics 3 4 Optional Chaining ... more

75team/tc39: 360 Ecma-TC39 工作组

360 Technology Group(TC39 Member) notes for TC39 ... more

Weekly React Digest Issue #229

sponsor Tried & True Productivity Tips from 25 React Experts The KendoReact team curated the top productivity tips of 25 React experts, from smart ways to hit the ground running with React to advanced productivity hacks. Includes ideas from Emma Wedekind, ... more

The Changelog 371: Re-licensing Sentry

David Cramer joined the show to talk about the recent license change of Sentry to the Business Source License from a BSD 3-clause license. We talk about the details that triggered this change, the specifics of the BSL license and its required parameters, ... more

Echo JS

• Instant local browser based loading [JS libraries]
• Javascript Design Patterns #8 - Visitor Pattern
• React Native Memory profiling (JSC vs V8 vs Hermes)
• Dynamic DLL webpack plugin that lets you code split between bundles

... more

It All Starts with a Humble <textarea>

Andy Bell rings out a fresh call in support of the timeless concept of progressive enhancement. What does it mean to build a modern JavaScript-focussed web experience that still works well if part of the stack isn’t supported or fails? Andy shows us ... more

reason: Write a simple custom JSON decoder for Decco in ReasonML

Decco is a great library for automatically generating JSON encoders and decoders, but most real-world projects will quickly run into the need to add custom data types that Decco doesn't ship with support for. This lesson shows how to simply add a custom ... more

Echo JS

• Javascript Factory Pattern
• Easiest Method to Get Norton Setup Back
• A beautiful CSS framework - (Cirrus CSS)
• Microfrontends with React
• CSS Fundamentals: Selectors

... more

Refreshing AWS Access Token with Amplify and Axios

Authentication is one of those foundational pieces of your application that can be complex if your requirements don’t fit some predetermined mold. For that reason, I am aiming to provide you a quick and easy way to refresh an AWS access token via the ... more

A Look at the React useMemo Hook

You may have seen, released along with React Hooks, a strange hook called useMemo . What could this strange, 👽alien👽 hook mean and what is it used for? Most importantly, how can it help you and why do you need to know about it? First, a little brush ... more

172

Welcome to issue 172. This week we check the only Cyber Monday React deal you need, see create-react-app, use React Native DevOps, improve React Security and much more! Cyber Week Deal!The best React course developer at 50% off! The only JavaScript course ... more

Core Node.js support for ECMAScript modules + other updates from this week. #49 / 2019

Below you can find a collection of the most important Node.js updates, tutorials & announcements from this week - curated by RisingStack's Node.js Consultants. Latest Node.js Updates here: Node v13.3.0 / LTS v12.13.1 The Big News: Announcing core ... more

Motion Paths – Past, Present and Future

Cassie Evans has a great intro to motion paths. That is, being able to animate an element along a path. Not just up/down/left/right, but whatever curvy/wiggly/weird path you want. It's an interesting subject because there are so many different technologies ... more

Identifying Phone Number Line Types with Twilio Lookup and Node.js

While the Twilio Messaging API won't charge you for attempting to send an SMS to a landline number, identifying the line type of a phone number can be useful for other reasons. A lot of businesses won't let users sign up with VoIP numbers, for example. ... more

How to Build an Image Classifier with Twilio Autopilot

In this article, I will show you one of the many possible ways to build an Image Classifier using Twilio Autopilot in your flow. We will use Node.js with TensorFlow and show the final result on WhatsApp. Let's get started. Pre-requisites Our Image Classifier ... more

Identifying Phone Number Carriers with Node.js and Twilio Lookup

Trolls and bad actors sometimes use phone numbers from free online providers to create fake profiles for making spam calls. Twilio's Lookup API helps you identify the carrier behind the phone number to learn which users have real mobile numbers. Setting ... more

Preact X Adds Features, Remains Lean

The Preact team announced Preact X, adding significant updates such as fragments and hooks while retaining their lean size of less than 4KB gzipped to their React alternative. By Dylan Schiemann ... more

Add Two-Factor Authentication to a Python Flask Application with Twilio Verify

Twilio Verify is an easy-to-use service that allows your application to send verification codes to your users via SMS or phone call. While the main purpose of this API is to verify users when they sign up for a new account, I want to show you how the ... more

[Course] javascript: Advanced JavaScript Foundations

It all starts with syntax. From there, once you’ve got the concepts down, you can move into using a framework where you figure out how to make things “just work”. Everything is great, until it’s not. If someone put you on the spot right now and asked ... more

CSS Architecture for Modern JavaScript Applications

There is a lot to like from Mike Riethmuller here: The title. When you're building a website from JavaScript-powered components anyway, that is a moment to talk about how to do styling, because it opens some doors to JavaScript-powered styles that you ... more

Techniques for Rendering Text with WebGL

As is the rule in WebGL, anything that seems like it should be simple is actually quite complicated. Drawing lines, debugging shaders, text rendering… they are all damn hard to do well in WebGL. Isn’t that weird? WebGL doesn't have a built-in function ... more