Animate Element when Expanding or Collapsing Element when Expanding or Collapsing

Learn to use the accessibility semantics defined by ARIA to create accessible rich internet applications. This guide describes how to apply accessibility semantics to common design patterns and widgets. It provides design patterns and functional examples complemented by in-depth guidance for fundamental practices. — Source...

Today, Ecma International approved the latest edition of the standard ECMA-262: ECMAScript 2022. Changes in this edition (everything with "2022" in the last column) ECMAScript 2022 specification Further ECMAScript links

The article React I Love You, But You're Bringing Me Down describes the most pressing problems with React. It does not require a lot of experience with it, and you will likely run into some of these on a daily basis. In my opinion, one of the most interesting things the author had to say about React and its popularity is the following. I can't...

TypeScript 4.9 beta introduces an interesting new feature: the satisfies operator. The release notes show an example where that can be useful. Generally, it makes it easy to type hint values inline, for example when defining a (complex) object. satisfies is similar to type assertions or the as operator. But unlike with these two approaches,...

In 2017, SessionStack started a thorough series of blog posts explaining how JavaScript works. And even though it has been a while since then, these posts are still worth a read. An overview of the engine, the runtime, and the call stack Inside the V8 engine + 5 tips on how to write optimized code Memory management + how to handle 4 common memory...