Michael Ficarra discusses the SpiderMonkey Parser API, evaluating its design and flaws, and showcasing some of the more useful and prominent projects that have adopted it.
In this talk Jafar Husain and Matthew Podwysocki explore the Reactive Extensions (Rx) library which allows to treat events as collections. Also: how Netflix uses Rx on the client and the server.
Axel Rauschmayer explains how to use some of ECMAScript 6' features today: block-scoped variables, arrow functions, better parameter handling, classes, modules and more.
Azat Mardan shares experiences using CoffeeScript in production, exploring its format, evaluating its design and showcasing some of the more useful and prominent projects that have adopted it.
Douglas Crockford discusses how to use programming languages more effectively; reviews the good parts in EcmaScript 6 and JSON.