Jobs

• Front End Engineer at EDITED (London)Join us to impact how the world's biggest retailers operate by making a web app with great UX and DX using React, Redux and Glamor EDITED
• Senior Frontend Engineer at BugsnagBugsnag is used by engineers around the world to deliver higher quality software every day. Join our team and help build the future of error monitoring. Bugsnag

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

Results of the Node.js Foundation's Developer Survey news
Node.js Foundation

USGS Releases New JS Library to Create Location Search Widgets news
United States Geological Survey

Attend Google Developer Days — Europe 2017 in Krakow, Poland news
Join us at #GDDEurope, where we will be covering the latest developer updates and best practices.
Google, Inc.  Sponsor

Promise.prototype.finally Reaches Stage 3 of TC39 Process news
Ecma TC39

NationJS Call for Papers (in Washington DC on Nov 30-Dec 1) news

A Quick Practical Example of JavaScript’s 'reduce' Function tutorial
JP Sio

Unit Testing Angular Applications with Jest tutorial
Fabrizio Fortunato

Lazy Loading: Code Splitting NgModules with Webpack tutorial
Todd Motto

The Story of Snipcart's Progressive Migration from Backbone to Vue.js story
Snipcart

Code Splitting Patterns in Vue.js video
Sean Larkin

The Ultimate Guide to JavaScript Fatigue: Realities of Our Industry opinion
Lucas Fernandes da Costa

Realtime updates on web and mobile that just work tools
Trusted by 150k developers. Add in-app notifications, live dashboards & more to any site in minutes, for free.
Pusher  Sponsor

sphinx-js: A Better Way to Document Large-Scale JS Projects tools
Brings JSDoc support to the popular Python Sphinx tools.
Erik Rose

Moon: A Minimal, Blazing Fast UI Library code
Kabir Shah

image-compressor: A Simple JavaScript Image Compressor code
Useful to reduce image sizes client-side before uploading. Demo here.
Xkeshi

Spacetime: A Lightweight Way to Handle Timezones in JS code
Timezone-friendly date and time manipulation. Node and browser.
Begin

Cthulhu: Extend Redis with JavaScript Modules code
Invokes commands from Redis in a JavaScript interpreter.
Marco Cecconi

Adaptive, Live and VoD 360 Streaming in HTML5 on Desktop & Mobile and Native apps 
Bitmovin  Sponsor

Ghost 1.0: The Popular Node.js Blogging System Hits 1.0 code
GitHub repo.
John O'Nolan

Jobs

• Lead Frontend Developer/React.js at Mosaic (New York)Be a cornerstone in the development of an innovative project management tool using cutting edge technology, React.js. Mosaic Manages Teamwork
• Front End Engineer at EDITED (London)Join us to impact how the world's biggest retailers operate by making a web app with great UX and DX using React, Redux and Glamor EDITED
• Full-stack JavaScript Developer at X-Team (Remote)We are 100% remote. We'll work with you 1-on-1 to motivate and fund you to learn, grow and build a legacy. Join X-Team. X-Team

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

TypeScript's Type System is Turing Complete news
Henning Dieterichs

webpack Awarded $125,000 By Mozilla news
To implement first-class support for WebAssembly.
Sean T. Larkin

Register for the Polymer Summit in Copenhagen on 22-23 August news
Learn more about the talks and workshops at this year's Polymer Summit, and see who our amazing speakers are.
Google, Inc.  Sponsor

W3C Launches a WebAssembly Working Group news
Bradley Nelson

Machine Learning Comes to Your Browser with JavaScript news
With a new JS library that runs Google’s TensorFlow in the browser.
InfoWorld

A Look at the 'Null Propagation Operator' Proposal tutorial
Provides an alternative to endless null checks.
Nicolás Bevacqua

Creating Custom Inputs with Vue.js tutorial
Understand how v-model works on native inputs and custom components.
Joseph Zimmerman

A Reintroduction to 'this' in JavaScript tutorial
Zell Liew

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

How the Proposed 'Class Fields' for JavaScript Would Work tutorial
Dr. Axel Rauschmayer

D3 in Depth: An Intermediate Guide to Building D3 Visualizations tutorial
Peter Cook

JavaScript Riddles for Fun and Profit video
Poses a series of ever more challenging JavaScript riddles and brain-teasers.
Dan Shappir

Use const Until You Have to Use let opinion
Vince Campanale

Why We Broke Our Philosophical Vows to Bring You CircleCI 2.0 story
CircleCI  Sponsor

Vuestic: A New Vue.js-Powered Admin Dashboard code
Demo here.
Epicmax

Express Gateway: A Microservice API Gateway Built on Express codenode

Turf: A Modular (Geo)Spatial Analysis Engine code
Morgan Herlocker

Glamorous v4 Released: CSS Styling for React Components code
Kent C. Dodds

ProseMirror: A Toolkit for Building Rich-Text Editors for the Web code
Marijn Haverbeke

Jobs

• Front End Engineer at EDITED (London)Join us to impact how the world's biggest retailers operate by making a web app with great UX and DX using React, Redux and Glamor EDITED
• Developer - Web TechnologiesBroaden your impact and hone your craft; build apps from scratch for expert clients. Pick your tools: Ruby, JavaScript, Elixir… Raizlabs
• Front-End JavaScript Developer (Remote) Swift Education Systems

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

Next js13kGames Gamedev Competition Starts This Sunday news
A popular JavaScript and HTML5 coding competition for game developers.

Choose your ideal JavaScript framework with the GrapeCity SPEC App 
Speed, Productivity, Ecosystem, and Compatibility. Let us help you find the best framework for your team.
GrapeCity Wijmo  Sponsor

6 Ways to Detect Chrome Headless tutorial
If you want to detect bots or scrapers, say.
Antoine Vastel

How To Get Started with V8 Development? tutorial
Franziska Hinkelmann

Closing Iterables is a Leaky Abstraction tutorial
Reg Braithwaite

How Angular Protects Us From XSS Attacks tutorial
Dor Moshe

The Consequences of Frozen Prototypes on V8 tutorial
Benedikt Meurer

How To Build a GitHub Search UI with React tutorial
Divyanshu Maithani

Aggregating Cherry-Picked Lodash Methods In An App Module tutorial
Ben Nadel

A Look at the ES proposal for 'Promise.try()' tutorial
Dr. Axel Rauschmayer

Reduce time spent debugging by 90% 
Instantly know what's broken and why. Rollbar is monitoring, alerting, analytics for production errors. Try it.
ROLLBAR  Sponsor

Why You Should Use PureScript opinion
A functional language that compiles to JavaScript.
Phil Freeman

An Angular Performance Checklist video
Minko Gechev

Britecharts 2.0 Released tools
Britecharts is Eventbrite’s D3.js component-based charting library.
Marcos Iglesias

DisplayJS: A Lightweight JS Framework for Building Ambitious UIs tools
Arthur Guiot

Realtime updates on web and mobile that just work 
Pusher  Sponsor

Nano ID: Tiny, Secure URL-Friendly Unique String ID Generator code
Andrey Sitnik

Posterus: Composable Async Primitives ('Futures') with True Cancelation code
Nelo Mitranim

Ream: A Framework for Building Universal Vue.js Apps code
REAM

Jobs

• Full-stack JavaScript Developer at X-Team (Remote)We are 100% remote. We'll work with you 1-on-1 to motivate and fund you to learn, grow and build a legacy. Join X-Team. X-Team
• Front End Engineer at EDITED (London)Join us to impact how the world's biggest retailers operate by making a web app with great UX and DX using React, Redux and Glamor EDITED

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

Top-Level 'await' Now Supported in Chrome DevTools' Console news
Umar Hansa on Twitter

Announcing TypeScript 2.5 RC news
Microsoft

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

The State of CSS in Angular news
Stephen Fluin

Get Your Dream Job In Tech - Learn to Code at Fullstack Academy course
Fullstack Academy is the nation's leading coding school - Our graduates get hired at Google, Facebook and Amazon.
Fullstack Academy  Sponsor

Beyond 'typeof' and 'instanceof': Simplifying Dynamic Type Checks tutorial
Dr. Axel Rauschmayer

Using ES2017 Async Functions tutorial
Ever struggled with reasoning about asynchronous JavaScript?
Eric Windmill

Building a realtime React VR app tutorial
Discover how you can create a realtime React VR app, using websockets to support multi-user interactions in a WebVR experience.
Pusher  Sponsor

Repatch: The Simplified, Less Verbose Redux tutorial
A thorough introduction. GitHub repo.
Péter Hauszknecht

Building a Multiplayer Tic-Tac-Toe Game with Meteor tutorial
Paul Orac

A Look at the 'Optional Catch Binding' ES Proposal tutorial
Would let us use ‘catch’ without defining a parameter.
Dr. Axel Rauschmayer

Folding Promises in JavaScript tutorial
Covers endomorphism, isomorphism, homomorphism and catamorphism.
Vladimír Gorej

5 Ways to Make HTTP Requests in Node tutorialnode
Overviews of ‘http’, Request, Axios, SuperAgent, and Got.
Twilio

Wrap Web Components with React - Use your fav non-React libraries in a React Way tutorial
SitePen  Sponsor

Webpack Tips for Efficient Bundling video
Google Chrome Developers

Angular vs. React: Which Is Better for Web Development? opinion
A pretty in-depth code-driven comparison.
Brandon Morelli

Up: A Rapid Way to Deploy Serverless Apps and APIs tools
TJ Holowaychuk

Puppeteer: A Headless Chrome Node API by the DevTools Team codenode
Google

Bubb Infotop: Tooltips with No Dependencies code

Songbird: Spatial Audio Encoding on the Web code
A real-time spatial audio encoding JavaScript library for WebAudio applications. Repo here.
Google

August is always a quiet time in the programming world as people are enjoying vacations or the weather rather than creating articles or new projects :-) Bear with us, things always pick up in September. Till then, to suggest items for future issues you can tweet us @JavaScriptDaily or hit reply to this email.

Your editor,
Peter Cooper

Jobs

• Front End Engineer at EDITED (London)Join us to impact how the world's biggest retailers operate by making a web app with great UX and DX using React, Redux and Glamor EDITED
• Front-end Developers at Devhouse Spindle (Groningen, The Netherlands)Ride your bike to work. Develop awesome projects. We are a holacracy and push each other to develop ourselves as well as our code. Devhouse Spindle
• Full-stack JavaScript Developer at X-Team (Remote)We are 100% remote. We'll work with you 1-on-1 to motivate and fund you to learn, grow and build a legacy. Join X-Team. X-Team

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

Polymer 3.0 Preview: Moving to npm and ES6 Modules news
Polymer Project

Vue.js + Brunch: The Webpack Alternative You've Been Hungry For tutorial
Anthony Gore

The Observer Pattern in JavaScript Explained tutorial
Pawel Grzybek

Typing 'import' Statements More Quickly tutorial
Includes a snippet for VS Code.
Dr. Axel Rauschmayer

A Crash Course in Just-In-Time (JIT) Compilers tutorial
From earlier this year but definitely worth it.
Mozilla Hacks

Building a realtime feed with Node.js and AMP tutorial
Discover how you can create a realtime React VR app, using websockets to support multi-user interactions in a WebVR experience.
Pusher  Sponsor

Taking Advantage of the Angular Material Datepicker tutorial
Angular Blog

10 JavaScript Concepts You Need to Know for Interviews tutorial
Arnav Aggarwal

An In-Depth 45 Minute Look at Async/Await video
YouTube

The Power of Elm in JavaScript opinion
Franzé Jr

Are content changes wasting your time? Add CMS anywhere on your site tools
Empower non-technical users to change content themselves, avoiding back-and-forth edits.
Component IO  Sponsor

vx: Reusable D3 Visualization React Components tools
Brings together d3’s math skills with React’s DOM-updating skills. Demos here.
Harrison Shoff

fuzzysort: Fast SublimeText-like Fuzzy Search for JavaScript code
Stephen Kamenar

GraphicsJS: An Elegant Browser Graphics Library code
AnyChart

Text Mask: Text Input Masking, with Wrappers for Frameworks code
Supports phone numbers, dates, emails and more.
Text Mask

seamless-immutable: Immutable Data Structures Compatible with Normal Objects code
Richard Feldman

The Side Effects of Stubbing 'console' in Tests 
Gyandeep Singh

Build an app using MongoDB and Node.js tools
MONGODB  Sponsor

P.S. A big shoutout to a new subscriber who mentioned us on Instagram earlier today.

Jobs

• Full-stack JavaScript Developer at X-Team (Remote)We are 100% remote. We'll work with you 1-on-1 to motivate and fund you to learn, grow and build a legacy. Join X-Team. X-Team
• Front-end Developers at Devhouse Spindle (Groningen, The Netherlands)Ride your bike to work. Develop awesome projects. We are a holacracy and push each other to develop ourselves as well as our code. Devhouse Spindle

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

Watch the Nordic.js Livestream Next Week (Sep 7-8) news
If you can’t get to the conference, let it come to you. Speakers here.
Nordic.js

JSConf Budapest Taking Place on Oct 26-27 in Budapest, Hungary news

The What, How, and Why of Using Higher-Order Components in React 
Not just for authentication systems, they deserve a significant place in your design pattern tool belt.
SitePen  Sponsor

JavaScript Scope and Closures: A Useful Primer/Explainer tutorial
Zell Liew

Writing Abstract Components with Vue.js tutorial
Joshua Bemenderfer

The 7-Step Process of Angular Router Navigation tutorial
Jurgen Van de Moere

Doing a 'FizzleFade' Effect using a Feistel Network in JS tutorial
Salvatore Sanfilippo

Preloading ngrx/store with Route Guards tutorial
Todd Motto

A Quick Overview of JS Iterables and Iterators tutorial
David Tang

Going From Callbacks to Using Async/await tutorial
Diogo Spínola

Build a secure chat web app with JavaScript, Auth0 and Pusher tutorial
Pusher  Sponsor

Measuring Performance Gains Going From Angular to React opinion
Gupta Garuda

Is Vanilla JavaScript Worth Learning? Absolutely. opinion
David Kopal

Why We Moved From Angular 2 to Vue.js (and Didn’t Choose React) opinion
Rever Score

The What, Why and How of async/await in JavaScript video
Fun Fun Function

Using Docker and Codeship for NodeJS Development 
Check out this free eBook by Codeship Dev Evangelist Kelly Andrews and learn how to use Docker and Codeship to develop and test a NodeJS app.
Codeship  Sponsor

Jest in Case: A Jest Utility for Creating Variations of the Same Test tools
GitHub repo.
James Kyle

Number Picture: React Components for Composing SVG Visualizations code
GitHub repo.
Finn Fitzsimons

Lozad: Performant Lazy Loading with the Intersection Observer API code
Apoorv Saxena

Push 1.0: A JavaScript Notification Framework code
A versatile cross-browser way to work with desktop notifications.
Tyler Nickerson

Jobs

• Distributed Systems Engineer at Ably (Remote in EU)If consensus algorithms get your mental juices flowing, then come join the team behind a global and fault-tolerant messaging platform. Ably realtime
• Senior Developer - React / Node (Sofia, Bulgaria)If you’re looking to work in an exciting startup and have the opportunity to define the company culture, check this role out. Automio

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

confs.tech: An Up-to-Date List of Upcoming JS Conferences news

Quokka.js Live JavaScript Scratchpad Now Available for Atom news
Artem Govorov

Using terminal to view test results is a productivity killer 
It's like browsing the web in a text-based browser. We deliver test results in realtime to your editor.
Wallaby.js  Sponsor

Building a Simple Notes Manager with Vue.js tutorial
Yanis Triandaphilov

Building a Mini Card Game with Polymer 3.0 Preview tutorial
Jecelyn Yeen

Don’t Be Afraid of Headless Chrome: Why and How to Use It for Ember Testing tutorial
Jen Weber

Building TDD RESTful APIs with Koa 2, Mocha and Chai tutorialnode
Valentino Gagliardi

It’s OK to Not Use Yarn opinion
“Is there something wrong with using Yarn? Yes, there is, if you don’t need it.”
David Gilbertson

Micro Frontends: Extending Microservice Ideas to Frontend Development opinion
Micro Frontends

How I Convinced Our CTO to Switch From CoffeeScript to ES6 story
Zach Schneider

#1 Way to Detect, Diagnose and Defeat Errors 🏆 tools
Rollbar detects when code breaks in real-time. Get stack trace and diagnostic data to defeat errors.
ROLLBAR  Sponsor

AssemblyScript: A Subset of TypeScript That Compiles to WebAssembly tools

Fastify: Fast and Low Overhead Web Framework for Node.js codenode

LookForward.js: Easily Create Smooth Transitions Between Pages code

vue-accordion-menu: A Simple Vue 2 Accordion Menu Component code
Wesley Chang

React-PDF: Display PDF Files in Your React App code
Demo here.
Wojciech Maj

Rythm.js: A JavaScript Library That Makes Your Page 'Dance' code
Demo here.
Benjamin Plouzennec

Realtime Updates on Web and Mobile That Just Work 
Pusher  Sponsor

Jobs

• Senior Developer - React / Node (Sofia, Bulgaria)If you’re looking to work in an exciting startup and have the opportunity to define the company culture, check this role out. Automio
• Senior Front-End Engineer (San Francisco) Entelo
• Front-End Engineer - React (Berlin) SumUp

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

What's New in Node 8.5? news
Node 8.5.0 was released this week.
RisingStack Engineering

Planning for Babel 7.0: What's Happening news
Henry Zhu

Using ES Modules Natively in Node.js tutorial
Starting with v8.5 Node can support ES modules natively.
Dr. Axel Rauschmayer

Get to Know The Actor Model in JS tutorial
A gentle introduction to the foundational concepts.
Roberto Dip

HTML Templates via ES6 Template Literals tutorial
Chris Coyier

How to Create A 'Favorite' Animation with Anime-js tutorial
Mikael Ainalem

View and Remove JS Event Listeners in Chrome DevTools tutorial
Umar Hansa

How to Improve Webpack Performance in Large Projects tutorial
Slides and audio, but the post includes some written tips as well.
Robert Gay

Building an Accessible Data Grid 
Take a look at how Wijmo made FlexGrid accessible with ARIA standards and more.
GrapeCity Wijmo  Sponsor

4 Tips for Retaining Strong-Typing in Tests with TypeScript opinion
Just In Time Coder

What I Love and Hate About Flow opinion
Flow is a static type checker for JavaScript.
Chris Grimes

A Brief, Incomplete History of JavaScript story
Where did things start and how did we get to where we are now?
Christopher Buecheler

Advanced Dependency Injection Without Classes video
Fun Fun Function

Size Limit: Prevent JS Library Bloat tools
If you accidentally add a huge dependency, Size Limit will throw an error.
Andrey Sitnik

Create Beautiful, Dynamic React Apps with a Single Component Library - Try ExtReact for Free Today 
Sencha, Inc.  Sponsor

Classwrap: A JS Utility for Conditionally Concatenating Class Names code
Jorge Bucaran

p-progress: Create A Promise That Reports Progress code
Sindre Sorhus

words-to-numbers: Convert Textual Words to Numbers with Fuzzy Text Matching code
Finn Fitzsimons

jquery-punchcard: jQuery Plugin for Creating GitHub Punchcard-Like Graphs code
Menelaos Vergis

Power, Flexibility, and Control with CircleCI 2.0 
CircleCI  Sponsor

Jobs

• Distributed Systems Engineer at Ably (Remote in EU)If consensus algorithms get your mental juices flowing, come join the team behind a global & fault-tolerant messaging platform. Ably realtime
• Software engineer to grow & sustain local food systemsHelp us build an online grocery experience that revolutionizes how food is sourced, bought and enjoyed. Good Eggs

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

Angular v5 Release Delayed to October news
It was originally due this week.
Dor Moshe

Upcoming TypeScript Changes in Vue 2.5 news
Evan You

How to Build Your Own Fax Machine with Tessel, JavaScript and Twilio tutorial
The death of fax has been greatly exaggerated! Twilio Programmable Fax allows you to send and receive fax in the cloud.
Twilio  Sponsor

Modern Ways to Use C++ in JavaScript Projects tutorialnode
Maga D. Zandaqo

Subclassing Arrays in ES2015 tutorial
David Tang

U Go Hue Go: Controlling Philips Lights with Angular & Kendo UI tutorial
Tara Manicsic

5 Favorites in Emerging Web Standards 
SitePen  Sponsor

How I Cut My Webpack Bundle Size in Half story
Justin Duke

Using ReactJS, ES6 & JSX to Build a UI (the rise of MERN) 
Part 5 of our Modern Application Stack series - Why ReactJS is driving the development of modern applications.
MONGODB  Sponsor

billboard.js: A Simple Chart Library Based on D3 V4 code
v1.1.0 has just been released.
Naver Corp

Vuetify: A Material Design Component Framework for Vue.js 2 code

Dexie 2.0: A Minimalistic Wrapper for IndexedDB code
Provides a neater API and error handling for the IndexedDB browser database API.
David Fahlander

mongoist: A MongoDB Driver for Node Built with async/await In Mind code
Christoph Walcher

ngraph.path: Fast Path Finding for Arbitrary Graphs code
Demo here.
Andrei Kashcha

winamp2-js: A Reimplementation of Winamp 2.9 in HTML5 & JavaScript code
‘Whipping the llama’s ass’ with JS. Demo here.
Jordan Eldredge

Nano Events: A 119 Byte Event Emitter Library code
Andrey Sitnik

AR.js: Efficient Augmented Reality for the Web code
Jerome Etienne

Bosket: Tree View Components for React, Angular, Vue and Riot code
Julien Elbaz

Wretch: A Tiny Wrapper Around Fetch with an Intuitive Syntax code
Julien Elbaz

Jobs

• Software Developer - Made by Many (London, UK)We’re looking for a developer to make digital products in a collaborative way to bring technology, culture, & people together. MadeByMany
• Software engineer to grow & sustain local food systemsHelp us build an online grocery experience that revolutionizes how food is sourced, bought and enjoyed. Good Eggs

Can't find the right job? Want companies to apply to you?Try Hired.com.

In Brief

BigInt: A Proposal for Arbitrary Precision Integers in JS news
Ecma TC39

Write Less Code, Use More Tools 
Our outrageous decision to orchestrate Nomad with Kubernetes.
CircleCI  Sponsor

A Brief History of Modularity in JavaScript tutorial
Nicolás Bevacqua

ES6 Promises: Patterns and Anti-Patterns tutorial
Bobby Brennan

Exploring set(), get() and Object.defineProperty() in TypeScript tutorial
Todd Motto

Why Node 8's util.promisify Is So Awesome tutorialnode
James Jeffery

Love fraud? You’re going to hate Blockchain 
SitePen  Sponsor

Web Truths: JavaScript Can’t Be Trusted opinion
Christian Heilmann

The Past, Present, and Future of the Angular CLI story
Stephen Fluin

ECMAScript, TC39, and the History of JavaScript video
Tyler McGinnis

Rapid prototyping playground for JavaScript in your editor 
Run any code and see the results immediately right in your editor. Supports VS Code, Atom and JetBrains IDEs.
Wallaby.js  Sponsor

CheerpJ, a Java to JavaScript Compiler, Now in Beta tools
Compile unmodified Java apps to JS for running in the browser.
Leaning Tech

Cerebral: Declarative State and Side Effects Management for JS Frameworks code
An intriguing idea, at least.
Christian Alfoni

Cherow: A Fast, TypeScript-Based JavaScript Parser code
KFlash

Slack JS 9.0.0: A JS Client for Slack's Web API code
Brian Leroux

vue-a11y-calendar: An Accessible, Internationalized Vue Calendar code
IBM

ppipe: Pipes Values Through Functions code
An alternative to using the proposed ‘pipe’ operator for ES.
Yavuz Ege Özcan

Sheet: A Simple Spreadsheet in 220 Bytes of HTML and JS code

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