Asynchronous code (async code) says: go do something while I do other things, then let me know what happened when the results are ready. Also known as concurrency, async is important in a variety of ...

If you’re returning information from a then or catch handler, it will always be wrapped in a promise, if it isn’t a promise already. So, you never need to write code like this: If you are unsure if ...

Here's some pseudocode I want to use when the user clicks my deleteCustomer button: check that the user really wants to delete the customer ... AJAX call to retrieve Customer object .onsuccess (AJAX ...