Giving users a dark theme option can be beneficial for accessibility, as some people experience headaches or visual difficulties from excessively bright screens, or have trouble reading for long periods on a light background. Post written by Michelle Barker.

CSS variables, now enjoying fairly good browser support, are opening up exciting possibilities for more dynamic styling. Having true CSS variables means that we can get and set their values in JavaScript, allowing us to build cool features like live theming. Post written by Jonathan Harrell.

In this article, Kent C. Dodds explains what JavaScript features you should be familiar with when learning and using React.