Jobs

• Full-stack JavaScript Developer at X-Team (Remote)We help our developers keep learning and growing every day. Unleash your potential. Work from anywhere. Join X-Team.  X-Team
• Senior React Native Engineer, Retail TeamWe're looking for an experienced dev to bring the Casper experience beyond the web and into reality, focusing on building React Native apps. Casper
• Developer Evangelist in London (part remote)Let the world know how awesome our distributed messaging platform is whilst learning new technologies and contributing to the community. Ably realtime
• One application, thousands of dev job opportunitiesStop applying and start interviewing. Try Vettery to get job offers from top tech companies sent right to your inbox. Vettery

In Brief

TypeScript Turns 5 Years Old news
Microsoft

Winners of the Recent js13kGames Gamedev Contest news
It’s amazing what can be done in such little space.
js13kGames

Announcing Assert(js) – An all JavaScript Testing Conference news
OK GROW!  Sponsor

The Many Faces of 'this' in JavaScript tutorial
Michał Witkowski

Asynchronous Stack Traces: Why 'await' Beats .then() tutorial
Mathias Bynens

How to Run ESLint on File Save in IntelliJ, VS Code and Sublime Text tutorial
Tomasz Netczuk

Publishing What You Mean to Publish on npm tutorial
You only want to share as much as you intend in an npm package.
Adam Baldwin

Instant JavaScript test execution results right in your editor tools
Wallaby runs your tests as you type and displays code coverage, error & console messages inside your code editor.
Wallaby.js  Sponsor

Building a Mental Model for Precedence and the 'new' Operator tutorial
Ben Nadel

Supercharging Frontend Development with VS Code tutorial
Zach Silveira

Getting Your Head Around Vue.js Scoped Slots tutorial
Anthony Gore

Lessons From Migrating A Large Codebase to React 16 story
If you like this, you’ll enjoy our React-specific newsletter.
Discord Blog

Using Default Parameters in ES6 video
Tyler McGinnis

Polyfills vs Compiling with Babel video
Tyler McGinnis

Proactively detect 🕵️ and diagnose JavaScript errors affecting your users tools
Debug JS apps with fully deminified stacktraces. Get tools to reduce front-end noise so you can assess impact.
Bugsnag  Sponsor

Falcor 1.0 Released: An Efficient Data Fetching Library code
Netflix

a11y-dialog: A Very Lightweight and Flexible Accessible Modal Dialog code
Edenspiekermann

Vuera: Use Vue Components in React, and React Components in Vue code
Alexander Komarov

CsvBuilder: Encode JSON Objects to CSV with a Schema-Like API code
Nick Pisacane

Jobs

• Senior React Native Engineer, Retail TeamWe're looking for an experienced dev to bring the Casper experience beyond the web and into reality, focusing on building React Native apps. Casper
• React Native Mobile Developer (Remote, UK-based)Excited about building great products across iOS, Android, and the Web? Join our small remote team - we're agile, funded and growing. YourTradeBase
• Looking for a job at a company that prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

Announcing TypeScript 2.6 RC news
Microsoft

Next.js 4 Released: A Framework for Universal React Apps news
With performance and styling upgrades.
ZEIT

Webinar: Build Better React Apps Faster with Kendo UI for React news
In this webinar we’ll show you the power of Kendo UI and how easy it is to use it in your React development.
Kendo UI  Sponsor

Redux Explained in 30 Seconds tutorial
About as tight an explanation as you could hope for.
Ross Creighton

How to Use ES6 Arrow Functions to Make Your Code Easier to Read tutorial
Both written and video form, however you prefer to learn.
Tyler McGinnis

The 2 New Features in ES7 and How They Work tutorial
Tiago Lopes Ferreira

How The JS Event Loop and Async Programming Works tutorial
Perfect if single thread/event loop/blocking concepts are new to you.
Alexander Zlatkov

Step Up Your JavaScript: A Comprehensive Guide to Intermediate JS tutorial
Advance your understanding of JavaScript. Be able to answer interview questions that stump many developers.
Educative  Sponsor

How We Run NPM Packages in the Browser story
Magnus Holm

Regexly: A WYSIWYG Regex Playground for JavaScript Developers tools
Chipto

date-fns: A Modern JavaScript Date Utility Library code
It’s essentially ‘lodash for dates’.
Lesha Koss et al.

ST: JSON Selection and Transformation Methods code
Adds methods to the JSON object for powerful JSON filtering or transformation.

handorgel: Accessible Web 'Accordion' Widget Written in ES6 code
Manuel Sommerhalder

Smooth Scrollbar: Customizable, High Performance Scrollbars code
If you want more control over your page’s scrolling..
Dolphin Wood

MapTalks.js: A Light Library to Create Integrated 2D/3D Maps code
Play with some examples here.

luma.gl: A JS WebGL2 Framework for Data Visualization code
Uber

Vue-Model: A Model Component for Vue.js code
Transform plain data into models with HTTP actions, computed properties, and methods.
Aaron Francis

A JavaScript Tetris Clone in Under 512 Bytes code
Readme/repo here (explains some of the tricks used).
Rebecca and JS Codegolf Team

JavaScript Telemetry: Black Box Recorder for App Crashes 
Rollbar  Sponsor

Jobs

• Senior React Native Engineer, Retail TeamWe're looking for an experienced dev to bring the Casper experience beyond the web and into reality, focusing on building React Native apps. Casper
• React Native Mobile Developer (Remote, UK-based)Excited about building great products across iOS, Android, and the Web? Join our small remote team - we're agile, funded and growing. YourTradeBase
• Looking for a job at a company that prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

Mozilla, Microsoft, Google, and W3C to Work on MDN Docs Together news
Mozilla

CKEditor 5 Rich Text Editor Released news
Frederico Knabben

Creating End-to-End Tests That Don’t Suck with Puppeteer tutorial
Puppeteer lets you control headless Chrome from JavaScript.
Trevor Miller

Introduction to InfluxDB and TICK Stack tutorial
Learn how to get up and running with the fastest growing open source TSDB.
InfluxData  Sponsor

An Imperative Guide to Forms in Vue.js tutorial
LogRocket

Using Three.js for 2D Data Visualization tutorial
Grant Custer

Writing Smarter Web Animation Code with GSAP tutorial
Carl Schoof

Building a 'Modem' with Web Audio tutorial
An interesting way to transmit data in audio form.
Martin Kirkholt Melhus

Build A Real-Time Chat App with Vue.js, Vuex and Cloud Firestore tutorial
Lachlan Miller

Have you met Predix, the Premier Industrial Internet Platform? 
See how Predix is connecting machines, intelligence, and people to drive operational and business outcomes that matter.
GE Digital  Sponsor

Migrating Towards Yarn and Webpack story
.. from Require.js, Grunt and npm.
Wingify Engineering

accessibilityjs: A Client-Side Accessibility Error Scanner tools
GitHub uses this to scan for inaccessible UI elements.
GitHub

ES Check: Checks The Version of ES Used in Source Files tools
Dollar Shave Club

JavaScript Telemetry: Black Box Recorder for App Crashes tools
ROLLBAR  Sponsor

Redux Zero: A Simpler 'Redux Lite' code
A lightweight state container based on Redux with a single store and no reducers.
Matheus Lima

Anime.js: A JS Animation Library for the Web code
Julian Garnier

rmodal.js: A Simple 1.2 KB Modal Dialog with No Dependencies code
Iskren Slavov

Schnack.js: A Disqus-like Commenting Drop-in for Static Sites code
A commenting system build on Node.js and SQLite3.
Gregor Aisch

P.S. Love React? We have a React newsletter too, you can see today's issue here.

Jobs

• Senior Software EngineerAt ActBlue we build and power cutting-edge grassroots fundraising tools for campaigns and organizations on the left.  ActBlue Technical Services
• Frontend Engineer at Senseye, Angular+Typescript, RemoteJoin Senseye, a growing startup using machine learning to predict when machines will fail for the industrial IoT. Senseye
• Looking for a job at a company that prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

JS Kongress 2017: The Future of JavaScript (Nov 13-14, Munich) news
Two days on the future of JS (inc. WebAssembly and tooling). Topics include frontend architecture, webpack, React, Perf, etc.
JS Kongress

JSConf Iceland 2018: CFP Open Till October 31 news

Codeship Ranked Amongst Top 5 Continuous Integration Vendors by Forrester 
Codeship  Sponsor

Easy i18n in 10 Lines of JavaScript tutorial
A fun little use for template literals.
Andrea Giammarchi

Parser Creation in JavaScript Made Easy with Ohm tutorial
Patrick Dubroy

Debugging React Like a Champ with Visual Studio Code tutorial
James Jeffery

Screen Capture in Google Chrome tutorial
Learn how to access the screen capture capabilities of Google Chrome from within a web app.
Twilio  Sponsor

Build a Collapsible Tree Menu with Vue.js Recursive Components tutorial
Anthony Gore

Consuming Remote Data via HTTP in a Vue App tutorial
Nic Raboy

Creating an Animated Fractal in 32 Lines of JavaScript tutorial

What is RxJS? And Why You Should Know About It tutorial
Ben Lesh

Linear Algebra in JavaScript with Matrix Operations tutorial
Robin Wieruch

Predix.io Connects Edge to Cloud, Operator to Analyst tools
Predix helps you develop, deploy, and operate industrial apps at the edge and in the cloud. Sign up today.
GE Digital  Sponsor

fasy: FP Iterator Helpers That Are Async/Generator Aware code
Kyle Simpson

websocket-as-promised: A Promise-Based API for WebSockets code
Vitaliy Potapov

push.js: A Compact, Cross-Browser Solution for Desktop Notifications code
Tyler Nickerson

graphql.js: A Simple and Isomorphic GraphQL Client code
Fatih Kadir Akın

rmodal.js: A Simple 1.2 KB Modal Dialog with No Dependencies code
Iskren Slavov

Strapi.io: A Node.js Headless Content Management Framework code
Ideal for building APIs. GitHub repo.

P.S. Love React? We have a React newsletter too, you can see the latest issue here.

Jobs

• Full-stack JavaScript Developer at X-Team (Remote)We help our developers keep learning and growing every day. Unleash your potential. Work from anywhere. Join X-Team.  X-Team
• Senior Software EngineerAt ActBlue we build and power cutting-edge grassroots fundraising tools for campaigns and organizations on the left.  ActBlue Technical Services
• Looking For Your Dream JavaScript Role?Try Underdog.io, where hundreds of the best tech companies go to find JavaScript talent. Companies email you directly as soon as next Monday. Underdog.io

In Brief

Removing Client-Side React.js Yielded A 50% Performance Improvement news
Netflix UI Engineers on Twitter

Announcing Assert(js) – An All JavaScript Testing Conference news
A one-day, single-track conference with a laser focus on JavaScript testing for developers - both UI and Node.js.
OK GROW  Sponsor

How to Use Arrow Functions to Improve Your JavaScript tutorial
Tyler McGinnis

flow-runtime: A Runtime Type System with Flow Compatibility tutorial
A look at a Babel plugin that transpiles Flow type annotations into runtime checks.
Gajus Kuizinas

Testing HTTP Requests in Angular Has Never Been Easier tutorial
Gábor Soós

Tracing Method Calls via Proxies tutorial
Axel Rauschmayer

Emulating CSS Timing Functions with JavaScript tutorial
Ana Tudor

Logging in Angular 2+ with ErrorHandler tutorial
ROLLBAR  Sponsor

Refactoring an Old Node Library to using async/await with TDD tutorial
Tane Piper

Why ES6's Default Arguments Are Awesome tutorial
Remy Sharp

Quickly Create Simple yet Powerful Angular Forms tutorial
Kaloyan Kolev

Build a Lazy-Load Router with Vue.js and the Latest Browser Features tutorial
Anthony Gore

Screen capture in Firefox tutorial
Get access to a media stream of the screen in Firefox with this code.
Twilio  Sponsor

My Search for The Perfect Universal JavaScript Framework story
Tal Bereznitskey

Implementing Super Mario Bros in JavaScript video
YouTube

webpack-dashboard: A CLI Dashboard for Your Webpack Dev Server tools
Formidable

Fable: An F# to JavaScript Compiler tools

Element 2.0 Released: A Vue 2.0-Based Component Library code
Yi Yang

tonal: A Functional Music Theory Library code
Manipulate pitches, chords, scales, keys, etc.
danigb

We just noticed that JavaScript Weekly is 7 years old this week! Thanks to all of you for your ongoing support. If you want to see how far JavaScript has come, check out the first issue for a nostalgia trip (although be warned, most of the links no longer work) :-)

Your editor,
Peter Cooper

Jobs

• Senior Software EngineerAt ActBlue we build and power cutting-edge grassroots fundraising tools for campaigns and organizations on the left.  ActBlue Technical Services
• craigslist seeks JavaScript Developers (San Francisco, CA)CL seeks JS developers to join our small (~50) team. Come help us save the world, or at least our corner of the Internet. craigslist
• Looking For Your Dream JavaScript Role?Try Underdog.io, where hundreds of the best tech companies go to find JavaScript talent. Companies email you directly as soon as next Monday. Underdog.io

In Brief

So What's New in Node.js 9? news
Gergely Nemeth

A Feature Watch on ECMAScript 2018 (Updated) news
Dr. Axel Rauschmayer

The Road to Learn React: Learn by Building Hacker News App course
12,000+ students read the Road to Learn React. This interactive course is a complete roadmap to master React.
Educative  Sponsor

Using a Router To Navigate Between Pages in a Vue.js App tutorial
Nic Raboy

Playing with 2D Physics with Matter.js tutorial
Some pointers on getting started with Matter.js.
Will Boyd

Async/Await Explained By Way of a Clear Example tutorial
Brandon Morelli

What’s New in Angular 5: Animations tutorial
Netanel Basal

Working with async/await and Loops tutorial
Anton Lavrenov

Basic Debugging from the Chrome DevTools Console tutorial
Michał Witkowski

Ask HN: Which TypeScript Codebase Should I Study to Get Better? opinion
Hacker News

Ask HN: Is Meteor.js Still A Thing? opinion
A lengthy discussion on whether using Meteor.js in production is still worthwhile.
Hacker News

The Most Clever Line of JavaScript? story
Well, it’s an intriguing line at least.
Seva Zaikov

Advanced Static Types in TypeScript: A Course video
Marius Schulz

A Much Faster Way to Debug Code Than with Breakpoints or Console.log 
Wallaby catches errors in your tests and displays the results of expressions right in your editor as you type.
Wallaby.js  Sponsor

Webpack Monitor: A Tool for Monitoring Webpack Optimization Metrics tools
Jon Roach, Gordon Yu, Balal Zuhair

“CircleCI 2.0 is fast. We reduced builds from minutes to 12 seconds.” tools
CircleCI  Sponsor

voxelengine3: A Three.js-based WebGL Voxel Engine code
Magnus Lallassu

Noel: A Replayable Event Emitter code
Joel Hernandez

Emergence.js: Detect Element Visibility in The Browser code
Christian Miller

DraftJS Plugins 2.0: Lots of New Rich Text Editor Extensions code
Draft.js is a framework for building rich text editors in React.
Nik Graf

Jobs

• craigslist seeks JavaScript Developers (San Francisco, CA)CL seeks JS developers to join our small (~50) team. Come help us save the world, or at least our corner of the Internet. craigslist
• Web Client EngineerJoin a growing engineering team that builds highly performant video apps across Web, iOS, Android, FireTV, Roku, tvOS, Xbox and more. Discovery Digital Media
• Want a New JavaScript Job Before the New Year?Try Underdog.io, where hundreds of the best tech companies go to find JavaScript talent. Companies email you directly as soon as next Monday. Underdog.io

In Brief

VueConf US 2018: March 26–28, 2018 in New Orleans, USA news
The VueConf.US 2018 call for proposals is now open, and closes December 1.
VueConf US

A Brief Introduction to Symbols, Generators and Streams tutorial
Rubens Pinheiro Gonçalves Cavalcante

Learn and Understand JavaScript’s Reduce Function tutorial
Or Array.prototype.reduce(), more specifically.
Brandon Morelli

Building a NodeJS App with MongoDB Atlas and AWS ECS (Part 1) tutorial
It's that time of year again. This is the first post in our annual "Road to AWS re:Invent" blog series.
mongodb  Sponsor

Easy ES6 Goodies for Busy JavaScript Developers tutorial
“a good basic introduction to three of the most useful ES6 goodies”
Michelle Gienow

Build a Server-Side Rendered Vue App with Nuxt.js tutorial
Chimezie Enyinnaya

Developing a Chrome Extension using Angular 4 tutorial
Jakub Kaczmarek

Start Using Babel 7 Beta Today: What's New and How tutorial
Jeff Dolle

Web Workers Can Be ES6 Modules Too tutorial
OK, Chrome doesn’t support it yet, but work is underway.
Jeff Schiller

CircleCI 2.0 Language Guide: JavaScript tutorial
New to CircleCI 2.0? Read our JavaScript Language Guide for a detailed explanation of our configuration.
CircleCI  Sponsor

Angular Productivity Tips for WebStorm IDE Users tutorial
Jurgen Van de Moere

Browser Automation Revisited: Meet Puppeteer tutorialnode
Puppeteer is a Node library that provides an API to control headless Chrome.
Gergely Nemeth

Recover Gracefully with React 16 Error Boundaries tutorial
ROLLBAR  Sponsor

Converting 600k Lines to TypeScript in 72 Hours story
Specifically, from Google Closure-annotated JS.
Lucidchart

How GitLab Uses Vue: One Year Later story
Jacob Schatz

High Performance JS in V8: How V8 Is Faster Than Ever video
A 20 minute tour of V8’s latest code-generation architecture.
Peter Marshall

Neutronium: Build .NET Desktop Apps using HTML, CSS and JavaScript tools
Neutronium

react-scroll-to: Scroll to Position in React code
Dylan Paulus

remoteStorage.js 1.0.0: Local Data Storage with Remote Syncing code
A project that’s as old as this newsletter.

bent: Functional HTTP Client for Node with async/await Support codenode
Mikeal Rogers

In Brief

77% of 433,000 Sites Use Vulnerable JavaScript Libraries news
The results of an open source security report.
Tim Kadlec

A Free 'Intro to Node.js' Course from Microsoft course
Benjamin Lin and Azat Mardan

Developing Real-Time Apps with Meteor tutorial
How to use Meteor to build a real-time web app and add authentication to it.
Prosper Otemuyiwa

Implementing Functors and Monads in JavaScript tutorial
Rubens Pinheiro Gonçalves Cavalcante

Using Angular Components with Third-Party Libraries tutorial
Netanel Basal

How to Handle Errors with Try, Throw, Catch, and Finally tutorial
Brandon Morelli

Passing Data Between Routes in a Vue.js App tutorial
Nic Raboy

PureScript: Tomorrow's JavaScript Today? video
A tour of a strongly-typed functional language that compiles to JS.
Kris Jenkins

We Banned Default Exports in JavaScript - You Should Do The Same opinion
Krzysztof Kaczor

A Much Faster Way to Debug Code Than with Breakpoints or Console.log 
Quokka catches errors & displays the results of expressions as you type. Community edition is free as in beer.
Wallaby.js  Sponsor

synp: Convert yarn.lock to package-lock.json and Vice Versa tools
Handy if your team ends up flip-flopping between Yarn and npm, say.
Aram Drevekenin

G2: A 'Grammar' for Building Data-Driven Visualizations code
AntV Team

Introducing the Amazon DynamoDB DataMapper for JavaScript code
Amazon Web Services

Reframe.js: Reframe Unresponsive Elements Responsively code
Dollar Shave Club

imaskjs: A Vanilla JavaScript Input Mask code
Covers formats like dates and phone numbers, but also regexes.

UPNG.js: Now Even Better PNG Minification code
It’s 6x faster than before and creates better palettes for dithering.
Photopea

Z: Pattern Matching for JavaScript code
Though not quite the same as the official ES pattern matching syntax proposal.

Submit Your Article/Tutorial to our 66K Follower Medium Publication 
Our Medium publication DailyJS has over 66K followers. We’re happy to receive submissions.
Chris Brandrick

Jobs

• craigslist seeks JavaScript Developers (San Francisco, CA)CL seeks JS developers to join our small (~50) team. Come help us save the world, or at least our corner of the Internet. craigslist
• Software Engineer – Web Clients, ReactJS+ReduxJoin a growing engineering team that builds highly performant video apps across Web, iOS, Android, FireTV, Roku, tvOS, Xbox and more. Discovery Digital Media
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

Building a Simple Regex Engine in Under 40 Lines of Code tutorial
Nick Drane

An Introduction to ES6 Template Literals tutorial
Sarah Chima

Scaffolding a GraphQL API Server with Node tutorialnode
Tom Lagier

The Practicalities of Contributing to ECMAScript tutorial
Want to work on the standard? Here are the processes involved.
TC39

Implementing the Sieve of Eratosthenes in JavaScript tutorial
Ben McCormick

Using Nested Child Routes in a Vue App tutorial
Nic Raboy

A Story of Upgrading An Angular App From 1.6 to Angular 4 tutorial
Abou Kone

Building a Voice-Activated Movie Search App Powered by Amazon Lex, Lambda, and MongoDB Atlas (Part 1) tutorial
mongodb  Sponsor

What Types of Project Aurelia Works Well For opinion
Sean Hunter

React Food Truck: A Curated Set of VS Code Extensions tools
Several useful React extensions together in a single bundle.
Burke Holland

Sencha Ext JS: Build an App, Not a Framework tools
With Ext JS you only have to develop your app once for multiple platforms and devices, try it free.
Sencha, Inc.  Sponsor

Rapid.js: An ORM-Like Interface and Router for Outgoing API Requests code
Create chainable API wrappers by defining models and routes.

Lite Editor: A Modern WYSIWYG Editor Focusing on Inline Elements code
appleple

Literally Canvas: An HTML5-Based Drawing Widget code

Telemachy: Easy 'Guided Tours' for Angular Apps code
Code Orange

Superstruct: A Simple, Composable Way to Validate Data code
Designed for validating data at runtime with a type annotation API inspired by TypeScript and Flow.
Ian Storm Taylor

Wijmo Typescript UI Controls Support Angular 5. No Dependencies. code
Wijmo’s UI components include Angular v5 support, full IntelliSense, and the best JS grid available.
GrapeCity Wijmo  Sponsor

Jobs

• Full-stack JavaScript Developer at X-Team (Remote)We help our developers keep learning and growing every day. Unleash your potential. Work from anywhere. Join X-Team.  X-Team
• Software Engineer – Web Clients, ReactJS+ReduxJoin a growing engineering team that builds highly performant video apps across Web, iOS, Android, FireTV, Roku, tvOS, Xbox and more. Discovery Digital Media
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

A Frontend Developer’s Guide to GraphQL tutorial
A very gentle introduction if GraphQL seems confusing.
CSS Tricks

Creating Neural Networks in JS with deeplearn.js tutorial
Robin Wieruch

'await' vs 'return' vs 'return await': Picking The Right One tutorial
Jake Archibald

How TypeScript 2.4's Weak Type Detection Helps You Avoid Bugs tutorial
Marius Schulz

Creating a Heatmap of Your Location History with JS & Google Maps tutorial
Brandon Morelli

Getting to Know the JavaScript Internationalization API tutorial
A cursory introduction.
Netanel Basal

`for-await-of` and Synchronous Iterables tutorial
Dr. Axel Rauschmayer

How to Cancel Promises tutorial
Seva Zaikov

Learn Everything About AWS’ New Container Products 
AWS ECS vs. AWS EKS vs. AWS Fargate - confused? Learn more in our latest blog post.
Codeship  Sponsor

6 Developers Reflect on JavaScript in 2017 opinion
Tools like Prettier, Jest, and Next.js get big shoutouts.
Sacha Greif

Angular... It’s You, Not Me: A Breakup Letter opinion
Dan Ward

Will The Future of JavaScript Be Less JavaScript? opinion
Daniel Borowski

JavaScript Metaprogramming: ES6 Proxy Use and Abuse video
Eirik Vullum

Use SQL in MongoDB? But of Course You Can. We'll Show You How. 
And there's so much more to discover. But see for yourself - Download it for 14 days here.
Studio 3T  Sponsor

jsvu: JavaScript (Engine) Version Updater tools
A tool for installing new JavaScript engines without compiling them.
Google

Reshader: A Library to Get Shades of Colors code
Guilherme Oderdenge

Muuri: A JS Layout Engine for Responsive and Sortable Grid Layouts code
There’s a live demo here.
Haltu

Unistore: A 650 Byte State Container with Component Actions for Preact code
Jason Miller

Lowdb: A Small Local JSON Database Powered by Lodash code
Supports Node, Electron and the browser.
typicode

🚀 View and Annotate PDFs inside your Web App in No Time 
PSPDFKit  Sponsor

Jobs

• Web Client Engineer (New York)Join a growing engineering team that builds highly performant video apps across Web, iOS, Android, FireTV, Roku, tvOS, Xbox and more. DISCOVERY DIGITAL MEDIA
• Front End Engineers in Boston - ES6, React, Redux, D3, WebpackWe are a team who loves our customers, we are passionate about front end tech and we have a proud history of innovation. Localytics
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

JS Foundation Brings Fully Serverless Applications to the Masses news
architect and Marko are gaining more integrations with each other.
Kris Borchers

50% Off 'Secrets of the JavaScript Ninja' eBook Today news
Manning Publications

Assert(js) Testing Conf Holiday Promo - 20% Off All Tickets 🎁 news
Use code JSWEEKLY on check-out and get 20% off the regular ticket price. Code expires Dec 31.
OK GROW  Sponsor

A Look At V8's Native JavaScript Code Coverage Support tutorial
Jakob Gruber

The Difference Between 'map' and 'forEach' Array Methods tutorial
Brandon Morelli

Arrays, Symbols, and Realms tutorial
Why type checking fails across iframes, and what Array.isArray actually does.
Jake Archibald

Finally Understand Redux by Building Your Own Store tutorial
Todd Motto

Capturing and Reporting User Interactions for Better Debugging tutorial
David Gilbertson

A Guide to Automating and Scraping the Web tutorial
.. using Headless Chrome, Puppeteer, and Node.js.
Brandon Morelli

So, You Learned JavaScript — Now What? opinion
Christian Heilmann

How Is React Different from Vue? opinion
An informative article explaining some of the similarities and differences between React and Vue.
John Hannah

Wijmo TypeScript UI Controls Support Angular 5. No Dependencies tools
Wijmo’s UI components include Angular v5 support, full IntelliSense, and the best JS grid available.
GrapeCity Wijmo  Sponsor

Microbundle: A Zero-Configuration Bundler for Tiny Modules tools
Jason Miller

octohint: A Browser Extension That Adds 'IntelliSense' to GitHub tools
A cross-browser extension for more easily skimming through code on GitHub.
pd4d10

Introducing Nexus.js: A Multi-Threaded JavaScript Runtime tools
Based on WebKit’s JavaScriptCore, Nexus is based around a thread pool instead of an event loop.
Abdullah Ali

vue-inspector: A Vue.js Inspector Specifically for Mobile Devices tools
Cali Rojas

The 9 Best JavaScript Charting Libraries tools
A collection of JavaScript libraries for data visualization.
Anton Shaleynikov

Neutrino V8 Released: Webpack + Presets = Zero-Config Power tools
Eli Perelman

🚀 Add PDF Support to Your Web App in No Time tools
PSPDFKit  Sponsor

Emittery: A Simple, Modern Async Event Emitter code
Sindre Sorhus

on-change: Watch an Object or Array for Changes code
Sindre Sorhus

tweet-parser: Parse Tweets Into Arrays of Entities code
Jack Franklin

2017 is almost over and we're taking a week off for Christmas - we hope you have a good one! We'll be back on January 5 with a special 'best of 2017' issue. If you write or develop anything awesome for our January 12 issue, just hit reply and let us know so we can consider it :-) We also have a popular Medium publication if you use that platform.

- The JavaScript Weekly team (Peter, Chris, and Za'e)

Jobs

• We’re Always Looking for Exceptional Software Engineers (New York)We need passionate, experienced people that can fill hybrid roles with different emphases on the context of product development. Reaktor
• Work with JS at Forza Football, A Product with Millions of UsersForza Football is looking for a frontend developer to join our amazing team located in Sweden. Visa/relocation sponsorship available. Forza Football
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented frontend devs. Vettery

In Brief

The Future of jQuery UI and jQuery Mobile news
jQuery UI Blog

A Free 'TypeScript Fundamentals' Course course
It used to cost money. Now it doesn’t.
James Henry

Practical Redux: Beyond the Todo App course
Mark Erikson on what happens if you try to build something bigger than yet another TodoMVC app using Redux?
Educative  Sponsor

The 'Reflect' Object, Use Cases and Things to Watch Out for tutorial
A neat look at a slice of not commonly used JavaScript.
Stefan Judis

Testing Angular 2 and Continuous Integration with Jest tutorial
Matt Fehskens

An Introduction to Weak Value Maps tutorial
Kris Zyp

How 'Controllable' React Components Maximize Reusability tutorial
A deep dive into what really makes React components reusable.
Noam Elboim

How to Build a Realtime Poll in 5 Steps tutorial
Christian Nwamba

Using OpenCV from Node to Recognize Objects in Images tutorialnode
Vincent Mühler

Building a Voice-Activated Movie Search App Powered by Amazon Lex, Lambda, and MongoDB Atlas (Part 2) tutorial
mongodb  Sponsor

WebAssembly Will Let You Run High-Perf Apps in Your Browser story
A neat high level overview of WebAssembly.
IEEE Spectrum

Which JavaScript Frameworks Are the Fastest? opinion
John Hannah

Is jQuery Still Relevant? opinion
Remy Sharp

Angular Top 50: What You Should Have Read in 2017 opinion
Lukas Marx

Webpack-CLI 2.0 Released: Webpack's Command Line Interface tools
webpack

Jest 22 Released: Facebook's Popular JS Testing Tool tools
A major release refining almost all parts of Jest. Babel 7 support too.
Facebook

Cloud-Scale Monitoring and Alerting from Datadog tools
See your entire stack in one place with unified dashboards and 200+ technology integrations. Try Datadog free.
Datadog  Sponsor

React Content Loader: A 'Content is Loading' Component using SVG code
Danilo Woznica

11 Vue.js Component Libraries You Should Know In 2018 code
Jonathan Saring

Unchanged: A Fast Handler for Updating JS Objects and Arrays Immutably code
Tony Quetano

element-ready: Detect When an Element is Ready in the DOM code
Sindre Sorhus

Hi folks, we're back and we hope you enjoyed the holiday season. This was going to be a "best of 2017" issue but enough new things have happened that we've packed the most popular JS links of 2017 into a single article and this issue is otherwise new stuff as usual. 🙂

Jobs

• We’re Always Looking for Exceptional Software Engineers (New York)We need passionate, experienced people that can fill hybrid roles with different emphases on the context of product development. Reaktor
• Web Engineers, GamesExperienced web engineer wanted to play an integral role in making our digital puzzle experience second to none for both solvers and creators. New York Times
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

Babel: Nearing The 7.0 Release news
What’s new, coming, and going on with the popular JavaScript compiler.
Henry Zhu

Aurelia's 2018 Roadmap news
Aurelia Core Team

FuseBox 3.0: The Fast Bundler/module Loader, Now Even Faster news
Ivan Orlov

Use SQL in MongoDB? But Of Course You Can. We'll Show You How 
And there's so much more to discover. But see for yourself - download it for 14 days here.
Studio 3T  Sponsor

JavaScript 2018: Things You Need To Know, and a Few You Can Skip opinion
Michelle Gienow

JS Things I Never Knew Existed tutorial
Nick Skyllo

Debugging TypeScript from VS Code tutorial
David Herges

Robust Client-Side JavaScript: A Developer’s Guide tutorial
Mat​hia⁠s S​chäf⁠er

Azure Functions CI/CD Pipeline for Node.js using VSTS tutorial
Microsoft  Sponsor

The Rise of the State Machines tutorial
A great introduction to state machines and implementing them in JavaScript.
Krasimir Tsonev

JavaScript Object Explorer: A Web Tool to Find Object Methods tools
Answer questions to narrow down to the right method for your task.
Sarah Drasner

Asmble: Compile WebAssembly to JVM Bytecode tools
Chad Retz

Real-Time Error Monitoring, Alerting, and Analytics for JavaScript 🚀 tools
ROLLBAR  Sponsor

Sapper: A New Next.js-Style Webapp Framework from Svelte code
Rich Harris

headless-devtools: Perform Chrome DevTools Actions From Code code
Johnny Cowchimp

Immer: Create The Next Immutable State by Mutating The Current One code
Michel Weststrate

Jobs

• Fullstack Software Engineer (Chicago — Relocation Available)Join a team that cares about people & craft. We invest in you and together we'll solve some of the most interesting problems you've seen. Fraight AI
• Visual Analytics Researchers and Software Developers - Vienna, AustriaJoin our team and develop novel Web intelligence solutions for EU and Google Digital News Initiative projects (JavaScript, Java). webLyzard technology
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

Webpack 4 to Work 'Configless' by Default news
Inspired by Parcel’s approach.
John-David Dalton on Twitter

JSON Tree Shaking Landing in Webpack 4.0 news
It’s shaping up to be an interesting release.

6 Tiny But Awesome ES7 + ES8 Features tutorial
David Walsh

Building a Real Time Chat App From Scratch using TypeScript tutorial
Luis Aviles

Build Your First Vue.js Component tutorial
Sarah Dayan

An Introduction to Algebraic Data Types and Structural Pattern Matching in TypeScript tutorial
Erin Swenson-Healey

Learn How to Visualize Your Time Series Data With InfluxDB & Rickshaw tutorial
Visualize your time series data from the fastest growing open source TSDB.
InfluxData  Sponsor

5 Traps to Avoid While Unit Testing Vue.js tutorial
Aurélien Bottazini

Googlebot's JavaScript random() Function is Deterministic story
Probably not useful, but an interesting quirk.
Tom Anthony

Things to Consider When Choosing a Database for Your JavaScript App 
Not all JSON support is created equal.
mongodb  Sponsor

ngrev: Tool for Reverse Engineering/Navigating Angular Projects tools
Minko Gechev

InfiniteGrid: Arrange Card Elements Infinitely on a Grid Layout code
GitHub repo.
NAVER

Polythene: A Material Design Component Library for Mithril and React code
Arthur Clemens

match-sorter: Simple, Expected, & Deterministic Best-Match Array Sorting code
Kent C. Dodds

SweetAlert: Attractive Modal Popup Alerts/Messages code

KaTeX: Fast Math Typesetting for the Web code
Easy-to-use library for TeX math rendering on the web.
Khan Academy

JavaScript Test Results Displayed Inline in Your Editor as You Type 
Wallaby.js  Sponsor

P.S. Wondering where all the React items are? They're in our React newsletter! Check out the latest issue here.

Jobs

• Technical Writer (Full Time / Part Time / Remote)Do you like writing for the technical audience? Looking for a bit of extra income, a part-time or a full time role, drop us a line. Raygun
• JavaScript Developer at X-Team (Remote)We help our developers keep learning and growing every day. Unleash your potential. Work from anywhere. Join X-Team. X-Team
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

Announcing TypeScript 2.7 RC news
Microsoft

Angular 5.2 Released news
And a look at what’s new.
Stephen Fluin

Vuejs Amsterdam 16th Feb - Largest Vue.js Conference In The World news
Join Evan You, Sarah Drasner, Core Team and 700+ Vue.js enthusiasts. Part of Frontend Developer Love.
Frontend Developer Love  Sponsor

Using a Virtual DOM with Backbone Views tutorial
Backbone is mature and well used but this approach can make your Backbone views become more modern and reactive.
JC Brand

Running Untrusted JS as a SaaS Is Hard, But.. tutorial
Running untrusted code is a security nightmare, but it can be done.
Tim Nolet

Writing JS Apps for a Fitbit Ionic Smartwatch tutorial
Not a bad place to start with ‘wearable’ development.
Charles Grugan

Implementing Tic-Tac-Toe with Vue.js tutorial
Elliott Draper

A Tiny Guide to Creating Babel Plugins tutorial
Philip Dexter

Transitioning Your Marionette App to React tutorial
Marionette is a framework heavily used in the Backbone world.
Michael Sholty

null vs. undefined in JavaScript tutorial
Brandon Morelli

Setting up Prettier in an Angular CLI Project tutorial
Victor Mejia

Understanding the Difference Between JSON Support in Postgres & MongoDB 
Explore database options for your next JavaScript app.
mongodb  Sponsor

Jarvis: An Intelligent Browser-Based Webpack Dashboard tools
Zouhir Chahoud

webpack Plugin to Remove Unused Moment.js Locales tools
Ivan Akulov

Design, Develop & Test Your Web Apps with Sencha Ext JS - Try it Free tools
Sencha, Inc.  Sponsor

A Guide to SurveyJS, a JavaScript Survey Library code
Create multi-step Web-based survey flows.

Bulb: A Reactive Programming Library for JavaScript code
Introduces a ‘signal’ data type which can represent any time-varying source of values.
Josh Bassett

JSON-dry: Serialize Objects with Circular Refs, Dates, Regexes, Class Instances, and More code
Jelle De Loecker

Wobble: Spring Physics Library Modelling a Damped Harmonic Oscillator code
A demo may help here.
Adam Miskiewicz

webshot-factory: Web Screenshots at Scale Based on Headless Chrome code
Ashish Shubham

Jobs

• Gusto Is Hiring Great React Engineers (SF or Denver)Join us to help thousands of small businesses run payroll and offer health benefits, letting them focus on what they do best. Gusto
• Passionate Senior Frontend Developer, AmsterdamBe part of an exciting new venture working on projects for ING, adidas, KLM & Nike, whilst working with a calibre team of developers. thefrontendlab
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

Promise.prototype.finally Now Stage 4 in TC39 Process news
Jordan Harband on Twitter

Nested Ternaries are Great tutorial
Those condition ? trueExp : falseExp type constructions.
Eric Elliott

5 Tips and Thoughts on Async / Await Functions tutorial
J Cole Morrison

How To Make a Drag-and-Drop File Uploader With Vanilla JS tutorial
A thorough walkthrough, as you’d expect from Smashing Magazine.
Joseph Zimmerman

Build Your First JavaScript, Android, or iOS App with MongoDB Stitch tutorial
Get started with the beta release of MongoDB's backend-as-a-service with step-by-step tutorials and sample apps.
MONGODB  Sponsor

Deep-Copying in JavaScript: Approaches to Copying Objects tutorial
Das Surma

HTML Templating with Vanilla ES2015 Template Literals tutorial
Ben Frain

7 Quick Techniques for ES6 Developers tutorial
Tal Bereznitskey

Functional Programming in JavaScript with Hyperapp tutorial
Hyperapp is a very lightweight library inspired by Elm.
Ali Spittel

eBook: TDD Best-Practices for JavaScript 
Codeship  Sponsor

Building Vue.js Apps with Parcel tutorial
Joshua Bemenderfer

Array.from() Accepts a Second Argument That.. tutorial
.. can be a mapping function
Addy Osmani on Twitter

JavaScript, The Bad Parts: A V8 Engineer's Perspective slidedeck
Benedikt Meurer

What's New in Chrome 64's DevTools in 3 Minutes video
Google Chrome Developers

TDD with Wallaby.js video
Or unit testing on steroids (make sure to watch till the end).
Wallaby.js  Sponsor

What’s New in Vue Devtools 4.0 tools
Guillaume Chau

D3 Discovery: Easily Find Plugins for D3.js tools
D3 is a powerful data visualization toolkit made even better with plugins.
Webkid

Parcel 1.5 Released: Source Maps, WebAssembly, Rust, and More tools
It’s not just Webpack having all the fun :-)
Devon Govett

Scratches: An Elegant JavaScript Scratchpad tools
Electron-based and it evaluates as you type.
Paolo Fragomeni

Greenlet: Move An Async Function Into Its Own Thread code
A simplified single-function version of workerize.
Jason Miller

jsnes: A JavaScript NES Emulator code
Ben Firshman

Jobs

• JavaScript Developer at Econify (New York, NY)We are looking for a React and Node.js developer to work alongside our team on an exciting high profile project. Apply today. econify
• Front-End Developer/UI DesignerDesign for social impact. We’re seeking a UI Designer to work across ideation, prototyping coding for international development. Catalpa International
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

How ECMAScript Regular Expressions Are Getting Better news
A look at new regex features both in ES2018 and being discussed at TC39 right now.
Mathias Bynens

Data Visualizations with InfluxDB: Integrating plotly.js tutorial
Visualize data with InfluxDB plotly.js, a JavaScript graphing library built on top of d3.js stack.gl.
InfluxData  Sponsor

Ways to Make Your Code Cleaner and Easier-to-Read with ES6 tutorial
Sam Williams

Optimizing Hash Tables: Hiding The Hash Code tutorial
A look at the recent improvements in how V8 v6.3+ stores the keys in hash tables.
Sathya Gunasekaran

Building a Modal Component with Vue.js tutorial
Filipa Lacerda

Asynchronous Reduce in JavaScript tutorial
Seva Zaikov

Airbnb's Extensive JavaScript Style Guide opinion
Not new, but continues to get updates and stars a-plenty.
Airbnb

Why You Should Choose Luxon for Date Wrangling in JavaScript opinion
Rad Devon

10 Things I Love About Vue opinion
Duncan Grant

Build a Modern Image Gallery with Vanilla ES6 video
Brad Traversy

A Much Faster Way to Debug Code Than with Breakpoints or Console.log 
Scratchpad/REPL right in your editor, running your code as you type (community edition is free as in beer).
Wallaby.js  Sponsor

React Scope: Visualize Your React Components Live tools
A Chrome extension for visualizing components, state and props.
Tiffany Lin

React Scope: Visualize Your React Components Live tools
Tiffany Lin

Glow: Make Flow's Errors Pretty-Printed and Syntax Highlighted tools
James Kyle

Save Time with the Best, Fastest Angular Spreadsheets & UI Components 
GrapeCity JavaScript Solutions  Sponsor

Sockette: A Tiny WebSocket Wrapper code
A 339 byte wrapper around WebSocket that auto reconnects if the connection drops.
Luke Edwards

xcell: A Libary to Manage Reactive Spreadsheet-Like Calculations code

ijk: Transforms Arrays Into Virtual DOM Trees code
If you prefer the Lisp approach of data as code..
Luke Jackson

Jobs

• Frontend Engineer with a Passion for Making Beautiful Web ExperiencesWorking closely with other engineers and designers in a project team, we implement the user interface of our web app. WeTransfer
• JavaScript Developer at Econify (New York, NY)We are looking for a React and Node.js developer to work alongside our team on an exciting high profile project. Apply today. econify
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

FitBit's Latest Watch Ships With a Lightweight JavaScript Engine news
JerryScript is a lightweight JS engine from the JS Foundation.
Kaitlyn Barnard

The Rollup Module Bundler Now Has Code Splitting news
Rich Harris

Improve your JavaScript App Performance with MongoDB Index Suggestions 
mongodb  Sponsor

Hyperapp + Parcel = A Neat Way to Create Frontend Apps tutorial
Beat that JavaScript fatigue with a tiny Elm-inspired frontend library plus a new, no-config asset bundler?
Adam Boro

A Look at the ES Proposal for String.prototype.matchAll tutorial
It scans a string for all matches and returns an array.
Dr. Axel Rauschmayer

Private Variables in JavaScript tutorial
A look at some ways in which you could implement private properties.
Marcus Noble

Compile-Time vs. Runtime Configuration of Your Angular App tutorial
Juri Strumpflohner

How to Use Glow to Make Your Errors Stand Out in Flow tutorial
Indrek Lasn

Measure and Improve Engineering Velocity 
If your business depends on software (it does) you're probably spending a lot of time thinking about DevOps.
CircleCI  Sponsor

An Introduction to Destructuring in ES6 video
Zsolt Nagy

JavaScript’s A Mess – and That’s A Good Thing opinion
Dr. Axel Rauschmayer

An Interview with Evan You, Author of the Vue.js Framework story
Liesbeth Hermans

Node Clinic: A Performance Toolkit for Node Developers toolsnode
nearForm

Rekit Studio: An IDE for React and Redux Development tools
Nate Wang

Use SQL in MongoDB? But of course you can. We'll show you how tools
And there's so much more to discover. Like our innovative Query Code that lets you instantly generate code in Node.js, Python, or C#.
Studio 3T  Sponsor

Proton: A JavaScript Particle Engine code
There are lots of demos to enjoy.
A Jie

page.js: A Tiny, Express-Inspired Client-Side Router code
Continues to get frequent updates years on.

matcher: Simple Wildcard Matching Against Text code
For example, *oo would match against foo, moo, or bamboo.
Sindre Sorhus

Jobs

• JavaScript Developer at X-Team (Remote)We help our developers keep learning and growing every day. Unleash your potential. Work from anywhere. Join X-Team. X-Team
• Software Engineer at Detective.io (Chicago)We're hiring our 5th engineer to help build our platform of automation based sales tools. We use React, Redux, and Rails. Detective.io
• Looking for a Job at a Company That Prioritizes JavaScript?Try Vettery and we’ll connect you directly with thousands of companies looking for talented front-end devs. Vettery

In Brief

CityJSConf 2018: A JS Conference in the City of London news
Takes place March 26 and features a debate between Kyle Simpson and Dylan Schiemann.
CityJSConf

MongoDB 4.0 Will Support Multi-Document, ACID Transactions news
Sign up for the beta for access to development releases of MongoDB 4.0.
MONGODB  Sponsor

Ember 3.0 Released news
No new functionality, but removes deprecated APIs and legacy support.
Matthew Beale

Building a Text-Based Adventure with Vue.js tutorial
An unconventional but interesting odyssey for Vue.js.
Raymond Camden

Using Prettier to Format Your JavaScript Code tutorial
Saransh Kataria

Using Source Maps to Debug Production tutorial
Debug errors w/ source maps, and quickly make sense of minified JavaScript.
ROLLBAR  Sponsor

Testing React with Enzyme and Jest: A Video Series video
First five episodes are free.
Jack Franklin

Promises Are Not Neutral Enough opinion
“Even though they fulfill their purpose, Promises are an opinionated primitive that introduce a lot of weirdness.”
André Staltz

Choosing a JavaScript Build Tool: To Config or Not Config opinion
Brian Douglas

There’s a Bug in Your JavaScript Code. Fix It tools
Sentry  Sponsor

Thanks: Give Thanks to Open Source Maintainers You Depend On toolsnode
Run npx thanks in your project and see who is seeking donations.
Feross Aboukhadijeh

face-verify.js: Monitoring Who's Physically Looking at a Site tools
A possible way to add more security to a webapp with facial recognition?
Mat Ryer

Blotter.js: An API to Draw Unconventional Text Effects on the Web code
Bradley Griffith

Vuetify 1.0: A Material Design Component Framework for Vue code
John Leider

Phaser 3.0: The 2D HTML5 Game Framework code
A fast 2D game framework supporting Canvas and WebGL rendering.
Richard Davey

Objection.js 1.0: An SQL-Friendly ORM for Node codenode
Vincit

Assembler.js: An x86-64 Assembler Built in JavaScript code
Va Da

Jobs

• Frontend Developer @ Berliner Philharmoniker (Berlin)Video streaming service Digital Concert Hall is looking for developers who like to dive into client-side areas & love to collaborate. Berliner Philharmoniker
• Front End DeveloperUse the software you build. Change how people innovate. Join Aha! Aha!
• Find a Job You're Passionate AboutVettery connects you directly to hiring managers at over 4,000 top companies. Make a profile today and land your dream job. Vettery

In Brief

React Native Relicensing as MIT (like React Itself) news
Facebook

Node Weekly: Our Newsletter Focused on All Things Node news
Cooperpress

JavaScript Test Results Displayed Inline in Your Editor as You Type 
Wallaby runs your tests as you type and displays code coverage, error and object values inside your code editor.
Wallaby.js  Sponsor

9 Promising Promise Tips tutorial
Kushan Joshi

Optional Chaining May Be Coming to JavaScript tutorial
And this is how it would work.
Sammy Israwi

Single Page Apps with Vue.js and Flask: State Management with Vuex tutorial
Adam McQuistan

Decouple Business Logic using Async Generators tutorial
Vitaliy Akimov

How to Detect and Refactor JavaScript Copy-Paste Code tutorial
Elijah Manor

Bringing Together React, D3, and Their Ecosystems tutorial
Marcos Iglesias

Gotchas When Publishing Modules in npm and Bower tutorial
Kaloyan Kosev

Deploying a Socket.io Chat App using AWS Fargate tutorialnode
Nathan Peck

Async/Await Promise.all Array Destructuring tutorial
Dale Jefferson

What Google AMP Means for the JavaScript Community opinion
Mathias Schäfer

Authentication Best Practices for Vue opinion
Sqreen

How WebAssembly May Reinvent How We Write and Ship Code opinion
Michelle Gienow

Fix Production Bugs in Seconds with Sentry tools
Relying on users to report bugs? Find & respond to production issues in real-time. Sign up for free.
Sentry  Sponsor

Polacode: Take Beautiful Code Screenshots from VS Code tools
Pine and Peng

Pressure.js: Handle Force Touch, 3D Touch, and Pointer Pressure code
Works with Surface, iOS devices, MacBooks, and more, with a single, simple API.
Stuart Yamartino

List: A Fast Immutable List with a Functional API code
Funkia

dset: A Tiny Utility for Safely Writing Deep Object Values code
Luke Edwards

Real-Time Error Monitoring, Alerting, and Analytics for JavaScript 🚀 
ROLLBAR  Sponsor