Q&A Mastering Modern JavaScript By David Ramel 04/22/2025 JavaScript could be the most widely used programming language in the world, but for many developers, its modern version looks very different ...

The Fetch API and async () functions with await are modern JavaScript patterns that aren’t always supported by old browsers, particularly non-Edge IE browsers.

Callbacks work fine for handling asynchronous code in JavaScript, but promises and the async and await keywords are cleaner and more flexible.

[Sandro Magi] noted that the async/await idiom has become more prevalent in programming recently. According to him, he first encountered it in C# but has found examples of it in JavaScript and Rust… ...