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 ...

Peter starts integrating a TypeScript client-side object with a server-side Web API service. Along the way, he looks at method overloading (not good), making JSON calls (good), testing asynchronous ...

Callbacks are references to executable code that higher levels of software pass into a function. These callbacks have the ability to greatly increase the portability and reuse of embedded software, ...