returning a thing that can be called, and assign it to the variable foo ... a sense for these as you continue to learn JavaScript. Ultimately, however, you are free to use whichever one you prefer.

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

returning a thing that can be called, and assign it to the variable foo ... a sense for these as you continue to learn JavaScript. Ultimately, however, you are free to use whichever one you prefer.