Full-Scale JavaScript - Issue #67

Currently, the JavaScript sector offers a mind-bogglingly diverse menu of open source options for building, testing and deploying applications. Maybe too diverse. With this in mind, The Linux Foundation has launched the JavaScript Foundation, an entity “committed to creating a center of gravity within the exponentially expanding JS ecosystem,” according to the organization.

I was asked to write a brief overview of web-based gaming for the JS Kongress conference where I’m part of the program committee and will run a workshop about building HTML5 games with Phaser. I thought it would be a great idea and the opportunity to revise show building HTML5 games have changed and evolved over the last few years from my perspective.

You might not need the latest framework, that you just read about on Twitter, for your latest todo app. But how can we render anything to the screen then, you might be asking?

The FileReader API allows developers to access user local file contents without uploading them to server.

I’ve been writing JavaScript using the ES2015 (ES6) syntax for awhile now and have grown to appreciate many of the language changes for their elegance and simplicity. One of the first and easiest changes I adapted to was using let/const instead of var. However, I took for granted the benefit let provides over var; it isn’t just a flashy new syntax for var, but rather provides an important scoping mechanism.

Typed Arrays is a relatively new feature in JavaScript. They are designed to provide an easy way to work with binary data and structures, that was hardly possible before.

The ECMAScript proposal “Asynchronous Iteration” by Domenic Denicola is currently at stage 3. This blog post explains how it works.

A month or two ago, we started seeing a mysterious problem in production: every now and then, one of our Node.js web server processes supporting Sandstorm Oasis would suddenly jump to 100% CPU usage (of one core) and stay there until it was killed. The problem wasn’t an infinite loop, though: the process continued to respond to requests, just slowly. Since the process continued to respond to requests, it continued to pass health checks and was never restarted automatically. But for users assigned to that shard, the service was essentially unusable, as every action would take seconds to complete. The problem left nothing at all suspicious in the logs – other than a gap in which far fewer requests that normal were being handled. At first, the problem only struck about once a week, seemingly at random.

The Node.js project has three major updates this month:

Clean up your console output with nodejs-dashboard.

React’s “state” is one of the more difficult concepts to learn. Not just what to put in state, but what it actually is and what it’s for. And also how Redux is related to React state.

Higher Order Components are a very useful way to create behavior that can be reused in different components. In this episode you will learn how to create a H…

React has proven to be wildly popular by Javascript developers, providing a foundation for building highly “reactive” components that are performant, efficient

In the meantime, don’t forget to check out
React Native EU
hosted in Wroclaw, Poland, Q3 2017 by our friends at
Callstack!

Why wasn’t it possible to contribute their innovations to the npm CLI?

When we say Flash what most people really mean is the browser plugin, right? Or you know, maybe the superhero.

Frameworks, libraries, package managers, guidelines… even languages
and meta-languages themselves are changing so fast that there’s little to no
chance a common or standard way of building applications emerges.

Why GitLab went with Vue.js

I played with TypeScript for a couple of years. From time to time. But I only started using it in my day to day work six months ago…

In the past few months, chat bots have become very popular, thanks to Slack, Telegram and Facebook Messenger. But the chat bot idea is not new at all. A chat bot interface is mentioned in the famous Turing test in 1950. Then there was Eliza in 1966, a simulation of a Rogerian psychotherapist and an early example of primitive natural language processing. After that came Parry in 1972, a simulation of a person with paranoid schizophrenia (and, yes, of course, Parry met Eliza).

7000 word React and Redux tutorial built around mapping Colorado’s mountains.