Pattern matching is useful for matching a value to some structure in a similar way to destructuring. The primary difference between destructuring and pattern matching are the use cases involved - destructuring is useful for binding pieces out of larger structures whereas pattern matching is useful for mapping a value’s structure to data or a set of behaviors. In practice this means that destructuring tends to allow many shapes of data and will do its best to bind something out of it, whereas pattern matching will tend to be more conservative.

Mathias covers several new proposals aiming to update regular expressions:

• dotAll mode (the s flag)
• Lookbehind assertions
• Named capture groups
• Unicode property escapes
• Legacy RegExp features

A complete overview of the current state of the JavaScript landscape, by the numbers.

GitHub considers their CSP policy to be refined enough, and now focus on protections beyond what CSP offers.
An interesting read!

When a browser receives the HTML response for a page from the server, there are a lot of steps to be taken before pixels are drawn on the screen.

Ire gives us an overview so that we can start thinking about how to make those steps shorter.

A cheat sheet that serves as a guide for implementing secure web applications.

Ohans goes over the fundamental concepts for understanding the CSS flexbox model.

Harry explains how he uses the ack tool to audit and profile his CSS. You can easily apply the same concepts he explains in this article when searching for just about anything, like JavaScript or Markdown files.

As of today, deploying an i18n Angular 2 app is not so easy. The documentation is poor and things are still in development. Despite that, after weeks of struggle, I managed to make things work. And so you do now. JIT vs AOT The first thing you need to know is that an Angular 2 application…

One of the design goals of Angular is to make testing easy. That’s why the framework relies on dependency injection, separates the user code from the framework code, and comes with a set of tools for writing and running tests.
Victor shows four ways to test Angular components: isolated tests, shallow tests, integration tests, and protractor tests.

A write-up on things to consider before joining a private startup – a story of unicorns, equity, shares, and golden handcuffs.