This week's JavaScript news, issue 280

Hi folks, just a quick note to say we've just passed 100,000 subscribers to JavaScript Weekly! Thank you for all of your support over the years - we hope to be here for a very long time yet to come :-)
- Peter Cooper, your editor

Jobs

• JavaScript Developer at Sky Betting and GamingWhether in the browser or node.js, JavaScript is a core technology at SkyBet. We’re looking for devs to work on our realtime betting app, working on hard problems at massive scale in an agile environment. Sky Betting and Gaming
• JavaScript/HTML5 Developer at Evolution GamingWe are looking for a senior developer who would be ready to shape the future and accomplish challenging tasks, e.g., migrating stateful legacy components to functional React-Redux ones and modularizing CSS with the help of css-modules. Evolution Gaming
• Hired is the best place to find engineering jobs.Bored at work? Want to try a new stack? Find 3500+ great tech companies on Hired who will compete to hire you. Try it today. Hired.com

In brief

• Last chance to join our March UI/UX courses, launching this Friday! course
  Learn UI UX design through part-time, online courses with 1-on-1 mentorship from expert designers. 
  Designlab   Sponsored
• ESLint Joins The jQuery Foundation news 
  
• Creating Modules with ES7 and Babel tutorial 
  Peter van der Zee
• Killing CORS Preflight Requests on a React SPA tutorial 
  Damon Aw
• A High Level Guide to Testing a React App tutorial 
  A. Sharif
• Function Expressions vs Function Declarations tutorial
  The differences and advantages of function expressions over function declarations. 
  Paul Wilkins
• Creating Your First Node.js HTTP Server tutorial
  Continuation of a series aimed at total beginners to Node. 
  Gergely Nemeth
• The SaveAs Webinar: Exporting Content from JavaScript Apps tutorial
  Implementing export functionality in your web apps presents a multitude of challenges. Learn how to tackle them. 
  Telerik Kendo UI   Sponsored
• Speeding up Startup for Large React Apps video 
  React.js Conf 2016
• A Million Ways to Fold in JS video
  A look at alternatives to loops and cool stuff with recursion. 
  Brian Lonsdorf
• How to Start an Ember Revolution video
  Want to get your company into using Ember? A developer at Intercom shows how he did it. 
  Patrick O'Doherty
• A Chat About RxJS with Matthew Podwysocki podcast
  RxJS, the popular reactive extensions for JavaScript. 
  JavaScript Jabber
• Autochecker: Test Node Modules Across Multiple Node Versions toolsnode 
  Victor Bjelkholm
• React Components for Building Composable and Flexible Charts code 
  Rumble Inc.
• Kewler: A Functional and Immutable Color Manipulation Library code 
  Adrien Antoine
• Turntable.js: A Responsive jQuery Slider code
  Rotate through a list of images as the pointer sweeps across a container. 
  Polar Notion
• promiseRunner: A Promise Maker That Creates Promises Out of Normal Functions code 
  Farzan
• Scrollbear: Maintain Scroll Position As Images Load On A Page code 
  Howard Chang
• Tabular Input Fields: A jQuery Plugin for Simple Tabular Fields code 
  
• ClippyJS: Add Clippy to Any Web Page for Instant Nostalgia code 
  
• rule-reactor: A Fast, Expressive Forward Chaining Business Rule Engine code
  There’s an introductory article too. 
  anywhichway