ES6 Promises

The video tutorial introduces promises, a feature of the ES6 standard, as an alternative to callbacks for handling asynchronous operations. It explains how promises work, using a create post example to demonstrate their implementation. The tutorial covers error handling with promises using reject and catch methods. Finally, it introduces the Fetch API, which uses promises for making HTTP requests, as a modern alternative to Ajax and XHR.

What new insight or understanding did you gain from this video?