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. The callback function can handle ...

Callbacks were the only natively supported way to deal with async code in JavaScript until 2016 ... Asynchronous functions that use callbacks take a function as a parameter, which will be called ...

JavaScript is the the programming language that built the web. Learn how it evolved into a powerful tool for building ...

help explain lines of code, and even write functions for Google Sheets. “We’re launching these capabilities in more than 20 programming languages including C++, Go, Java, Javascript ...