#404 — September 21, 2018
Read on the Web
JavaScript Weekly
A surprisingly quiet week, though maybe it’s due to it being issue 404 :-). Nonetheless, there have been a few major version releases, including Nuxt.js 2.0, Next.js 7, and Electron 3 — you’ll find those down in the Code and Tools section.
— Peter Cooper, editor
Idle Until Urgent: A Performance Strategy — When analyzing his site’s ‘first input delay’, Phil noticed all the JavaScript functions being run as the page loaded added up to a significant amount of time. His solution? Only run code in idle periods or when it’s truly, urgently required. Here’s a look at how that works in practice.
Philip Walton
Building a PWA with Angular 6 — A step-by-step walkthrough of building a progressive Web application using the latest Angular and its CLI tools. If you’ve kept away from Angular for a while, this could be a handy reintroduction.
Ahmed Bouchefra
Real-Time Production Error Monitoring for JavaScript Apps — Rollbar automatically tracks all errors in your JavaScript apps and gives you the data & context to debug them fast. Works with Node, React, Vue, Angular, and more. Get unlimited errors during your free trial.
ROLLBAR sponsor
Array.prototype.reverse is Broken on iOS 12 — A rather sneaky bug has made it into WebKit where the reverse method doesn’t mutate an array as expected. It also affects Safari 12 on macOS.
Stack Overflow
Like JavaScript Weekly? Try Our Other Newsletters — We frequently chat with subscribers who didn’t realize we publish other newsletters. We do, over ten of them now 🙂 Including Frontend Focus, a serverless newsletter, MongoDB Weekly and Postgres Weekly.
Cooperpress
The Making of ‘Underrun’, a js13kGames Submission — Some notes on what it takes to build a WebGL shooter in just 13KB of total code and assets. Try the game here. And if you like this sort of explanation, there’s another about a game called Bellwoods by Matt DesLauriers.
Dominic Szablewski
Ruby’s Hashes and Perl’s Autovivification, in JavaScript — Applying concepts from Ruby, like default values, and autovivification (the automatic creation of new collections in place of undefined keys) from Perl in JavaScript.
Reginald Braithwaite
💻 Jobs
Sr. Back End Engineer – Node and Express (Orlando/San Diego/Remote) — You enjoy solving hard problems using technology and Postman is always open on your workstation. You have a GitHub repo with NPM packages.
MJD Interactive
Try Vettery — Create a profile to connect with inspiring companies seeking JavaScript devs.
Vettery
📘 Tutorials and Opinions
Three Features That Could Change the Future of JavaScript — A big ‘could’ though as the features are still being proposed and are under discussion.
Willian Martins
Ways to Think About Module Design — An excerpt from Mastering Modular JavaScript, a new book being released tomorrow.
Nicolás Bevacqua
Design a Custom Payment Form with Square’s Payment Form Library
Square Developer sponsor
Build a Simple CRUD App with ASP.NET Core and Vue — If you’re on a .NET stack this might help you out.
Ibrahim Šuta
How to Build an Electron App with Okta-Powered Authentication — Electron is GitHub’s framework for building cross-platform desktop apps with Web technologies.
Matt Raible
Using Scoped Slots in Vue.js to Abstract Functionality
Mateusz Rybczonek
▶ How to Sort Your Socks using JavaScript — A look at the sorting algorithms used by different JS engines and how they vary.
Claudia Hernández
🔧 Code and Tools
worker-plugin: Adds Native Web Worker Bundling Support to Webpack — Automatically compiles modules loaded as Web Workers.
Google Chrome Labs
Build News and Activity Feeds in Days Instead of Months — Stream is an API for building scalable news feeds. Try out the API in this 5-minute interactive tutorial.
Stream sponsor
Sublime Merge: A New Git Client from the Makers of Sublime Text
Sublime HQ Pty Ltd.
Nuxt.js 2.0: Webpack 4, ESM Modules, create-nuxt-app and More — Nuxt.js is a framework for creating universal Vue.js apps.
Nuxt.js
Next.js 7: A Framework for Server-Rendered React Apps — Now a lot faster and using Webpack 4 and Babel 7.
Zeit
Electron 3.0: The Cross Platform Desktop App Framework
GitHub
T-Writer: A Native ‘Typewriter Effect’ Library — If you want to reproduce the effect of text being typed in real time.
Christopher Cavalea
Build Real-Time Web Experiences with a Simple but Powerful Serverless Backend
Microsoft sponsor
WWWBasic: An Implementation of BASIC for the Web — As well as supporting writing BASIC directly in your HTML, it can also be used as a Node module.
Google
🗓 Upcoming JavaScript Events
Web Unleashed 2018 (October 1-2, Toronto) — Two day, four-track frontend developer event.
Framework Summit 2018 (Oct 2-3 in Park City, UT) — A new two day conference focused on all front end frameworks with keynotes from the teams of the most popular ones.
Node+JS Interactive (Oct 10-12 in Vancouver, Canada) — One of the largest JavaScript events. Organized by the Linux Foundation.
jsMobileConf (Oct 25-26 in Boston, MA) — A two-day, two-track, developer event focused on mobility and the cutting-edge JavaScript ecosystem.
CascadiaJS (Nov 15-16 in Seattle, WA)
