There’s a proposal in stage 1 for the Null Propagation operator. This article takes a look at the proposal, which offers an alternative to ad nauseum null checks.

Henry compiled a summary of what happened at the latest TC39 meeting last month. Here are the most interesting bits:

• New throw expressions proposal where throw can also be used in expression context, while existing throw statements go unaffected by this change
• Optional catch binding – catch blocks without a required error variable binding – is new but already in stage 3
• No changes in decorators and null propagation, they still need some more work.

Val shows off a few ways of using CSS variables when creating animations in CSS.

Ben has a few recommendations for things JavaScript developers should learn, all the way from core plain JavaScript concerns to modern constructs like async / await, performance, and HTTP networking.

Ben gives us a tour of how we can use resource priorities to improve speed of delivery for our web apps.

Coding as a non-English speaker, or what Excel, Illustrator, and functional programming can teach us about names.

A quick and helpful guide for newcomers that want to start contributing to the Node.js project.

First, learn React. Then, consider Redux.

Ismael takes you through your first steps in setting up Elasticsearch. A great way to get started implementing search for your applications.