“Reactivity” is how systems react to changes in data. There are many types of reactivity, but for this article, reactivity is when data changes, you do things.| frontendmasters.com
Learn how to use Chrome and DevTools to find memory issues that affect page performance, including memory leaks, memory bloat, and frequent garbage collections.| Chrome for Developers
JavaScript Frameworks generally do a lot of DOM handling for you, but doing it yourself can be the most performant option, and there are quite a few best practices.| frontendmasters.com
Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.| nodejs.org
How-to hide content but still make it accessible to screen readers.| www.a11yproject.com