async Is Built on an Idea You Can See in yield yield and await aren't the same thing. A generator isn't an async function, and an async function isn't a generator. But there is an idea hiding underneath both of them that is easy to miss: execution can stop here and continue later. Once you see that, async/await starts looking a lot less magical. 🔴 The Problem Consider a generator: function * work () { console . log ( " A " ); ...