1. Alum Tops Hacker News with Explanation of New JavaScript Feature, Tail Call Optimization

    Kyle Owen, who graduated Hack Reactor in May, has been getting to know the new features built into JavaScript in the ES6 release, which came out earlier this year and marked the first major update to JavaScript since ES5 in 2009. Because there is so much new material to explore, concise and lucid explanations of specific features are high in demand. Owen provided exactly that in a blog post on tail call optimization, and his explanation quickly rocketed to the front page of Hacker News.