This week's JavaScript news: Node 6.0, V8 5.1, a JavaScript testing guide, and more

Jobs

• 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 modularising CSS with the help of css-modules.  Evolution Gaming
• Front End Developer at Envato (Melbourne / Remote)You're deeply comfortable with React + Redux, a solid all-round front ender, and you live to craft products users love? We're close to shipping our next-gen digital marketplace. We should talk. Envato
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In brief

• V8 5.1 Improves ES2017 Draft Spec Support news
  Contains various changes towards compliance with the ES2017 draft spec. 
  V8 Project
• How Many npm Users Are There? news
  Spoiler: About 4 million. 
  The npm Blog
• Announcing Vue.js 2.0 news 
  Evan You
• GEMCONF (Global Ember Meetup) in San Francisco, May 21 news
  A mini Ember.js conference taking place next month in SF. 
  
• Get Live 1:1 JavaScript Expert Help / Become a JavaScript Codementor 
  Codementor helps developers learn JavaScript faster with on-demand live expert help. Are you a JS expert? Become a Codementor and get paid by helping your fellow developers. 
  Codementor   Sponsored
• Prototypal Object-Oriented Programming using JavaScript tutorial
  Understand the difference between classes and prototypes to unlock JavaScript’s dynamic hidden superpower: delegation. 
  Mehdi Maujood
• How to Handle Trees of Promises in ES6 tutorial 
  Dr. Axel Rauschmayer
• A Curated Set of React/Redux Tutorial Links tutorial 
  Mark Erikson
• Introduction to p5.js: A Library for Creating Interactive Visuals tutorial 
  Stuart Memo
• Using Closures Efficiently to Avoid Memory Leaks tutorial 
  IBM developerWorks
• Creating Cross-Platform Apps with Angular 2 video
  20 minute talk from Brad Green of the Angular team. 
  Channel 9
• Avoiding a JavaScript Monoculture opinion
  A bit of controversy for you :-) “Initiatives such as ES6, while seemingly improving things, are a step in the wrong direction.” 
  Rasmus Schultz
• Yakbak: Record and Playback HTTP Interactions in Node toolsnode
  Like Ruby’s popular ‘vcr’ library. 
  Jeremy Ruppel
• es-search: Search ECMAScript Code Structurally tools
  Search for certain code structures using a CSS selector-esque syntax. 
  James Donaghue
• Find and Fix JavaScript Errors Faster (and have fun doing it) tools
  Quickly pinpoint what’s broken and why. Get the context and insights to defeat all application errors. 
  ROLLBAR   Sponsored
• Chart.js: Simple, Flexible HTML5 and JS-powered Charts code 
  Chart.js
• AlphaBeta: Declarative Split Testing for React code 
  
• A Collection of Phonetic Algorithms with Live Examples code
  The underlying library is Talisman. 
  Guillaume Plique
• reuse-promise: Reuse The Promise Returned From A Function Until Resolved code 
  Elad Ossadon
• An Angular 2, Babel-powered ES6/ES7 Starter App code
  A starting point for trying out Angular 2 development. 
  Soós Gábor
• Algebrite: A JavaScript Library for Symbolic Mathematics code 
  Davide Della Casa