Issue 196

Must Read

The Dangers of the ‘+’ Operator in JavaScript

Beware! Simple addition can misfire and break JavaScript applications in ways you might not expect.

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Learn

JavaScript Clean Code: Error Handling

Every programmer has to handle errors. This post teaches the best way to handle them.

Measuring the Performance of JavaScript Functions

This article explains how you can measure the performance of your functions and what to do with the results you get from them.

Tools & Code

Facebook Introduces Rome Experimental JavaScript Toolchain

Rome is an experimental JavaScript toolchain created by Babel and yarn creator Sebastian McKenzie and the React Native team at Facebook. It includes a compiler, linter, formatter, bundler, and testing framework, aiming to be "a comprehensive tool for anything related to the processing of JavaScript source code."

match-sorter: Deterministic Best-Match Array Sorting

If you have an array full of items that you want to filter and sort ‘intelligently’ and deterministically, check this out.

Watch

Fetch your GraphQL data automagically: Building a movie app with Hasura & gqless

A step-by-step demo on how to build a movie app.

Misc

What Does GitHub's Npm Acquisition Mean For Developers?

There are some obvious upsides and integrations, but these will be accompanied by the usual dose of skepticism from the open-source community.

What happens when the maintainer of a JS library downloaded 26m times a week goes to prison?

Denis Pushkarev, maintainer of the popular core-js library, lost an appeal to overturn an 18-month prison sentence imposed for driving his motorcycle into two pedestrians, killing one of them. As a result, he's expected to be unavailable to make updates.