JavaScript is the most in-demand programming language for developer jobs and one of the most versatile languages for full-stack development. Here's what you need to know about JavaScript.

A senior Google database expert loves the JIT compiler, but others doubt its worth and say it could be hard to maintain.

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The new React compiler is now in production use at Meta. Let's take a look under the hood and see how it works and what it might mean for the future of front-end development.