The chapters:
– Asynchronous programming in JavaScript: https://exploringjs.com/impatient-js/ch_async-js.html
– Promises for asynchronous programming: https://exploringjs.com/impatient-js/ch_promises.html
– Async functions: https://exploringjs.com/impatient-js/ch_async-functions.html
– Asynchronous iteration: https://exploringjs.com/impatient-js/ch_async-iteration.html