Node.js is a lean, fast, cross-platform JavaScript runtime environment that is useful for both servers and desktop applications. Scalability, latency, and throughput are key performance indicators ...

When you define and execute a function in JavaScript and Node, the variables that exist around it are available to the function. This simple idea, known as a closure, gives us some serious power.

All Web APIs (Application Programming Interface) supply code so that you don’t have to. They handle the intricate low-level details, allowi ...