Functions can accept zero or more arguments, depending on how they are defined. In JavaScript, a parameter in a function is a special variable that acts as a placeholder for values that are passed to ...

A callback function is a function that is passed as an argument to another function and is called by that function at some point. The callback function can be defined as a regular function, an ...

We all know javascript doesn't support strict typing unlike other languages. So if a function, like the one shown below, expects it's arguments to be of certain types, we must implement type checking ...