HTML Sanitizer API

Houdini – CSS is now extendable with JavaScript

MDN is launching MDN Plus

TIL you can name regex capture groups, e.g.: 'John Doe'.match(/^(?<first>\w+)\s+(?<last>\w+)/).groups => {first: "John", last: "Doe"}

WebAssembly

Cookies are the most secure way to do sessions/logins in the browser but this MDN article says Cookies are "old-fashioned", have security problems, and the only reason new websites use them is because of developer habits…

Peer-to-Peer Communications with WebRTC

Comprehensive guide on the JavaScript tooling ecosystem by MDN.

New Tutorial on MDN: Spicy HTML-first JavaScript framework: EmberJS

Firefox (75+) now supports native lazy loading of images