Promises, handlers, and chains are foundations of modern JavaScript, but they can be tricky. Here are four common traps to ...

The next JavaScript code snippet illustrates how the map ... as parameters and returns any of these standard data types too. Also, a first-order function must return a value. In functional programming ...

Is there a reason why functions in most(?) programming languages are designed to support any number of input parameters but only one return value? In most languages, it is possible to "work around ...