The Promise object represents the eventual completion or failure of an asynchronous operation and its resulting value. A Promise is a proxy for a value not necessarily known when the promise is ...

The arguments object is discussed in more detail in the next chapter but it has a callee property which is a reference to the currently executing function. This makes it very easy to write code the ...

Functions are objects, but we tend to forget that they are. Just like all objects in JavaScript, functions are anonymous and unlike other languages don't have immutable names. This isn't a huge ...

A practical JavaScript review guide for technical interviews and front-end development. It covers core language concepts, DOM manipulation, asynchronous programming, debugging, modern JavaScript, and ...