Node.js takes a different approach. It runs a single-threaded event loop registered with the system to handle connections, and each new connection causes a JavaScript callback function to fire.

We’ll also look at installing additional Node.js modules and other JavaScript packages using ... else { // Workers can share any TCP connection // In this case it is an HTTP server http ...

Paving the way for more server-side use of JavaScript, platform-as-a-service (PaaS) provider Engine Yard has added the Node.js library to its collection of hosted Web application tools.