Summary

Like promises, async/await has become very important in JavaScript. You saw how this syntax helps your code appear almost like a synchronous code and can make your code clearer with regard to your desired intent. It even enables error handling in a more standard way with try/catch.

But this is sometimes deceptive and can get you into trouble if you are not careful. It is important to understand how an asynchronous code differs from sequential code, in particular, how asynchronous code is triggered by event loops and does not block the main execution thread. The same is true with promises themselves, but with async/await looking so similar to synchronous code, it could be easy to forget this fact.

That said, async/await is still very powerful and worth using. We have reached the end of this book. By now, you have gained a comprehensive understanding of the foundations and basics of JavaScript. You have also fully understood JavaScript syntax and structures for the web...