If you write JavaScript, you have probably used higher-order functions and not even noticed. If you have ever replaced a for loop with an array method, you’ve used higher-order functions.

Higher-order functions refer to those that consume or produce other functions. Methods on the function prototype, such as call and bind, are both higher-order functions.

Let's look at each of these in more detail. Functions are first-class citizens In functional programming, functions are treated as first-class citizens. Functional programming supports higher-order ...

D. A. S. Fraser, N. Reid, Jianrong Wu, Estimating Functions and Higher Order Significance, Lecture Notes-Monograph Series, Vol. 32, Selected Proceedings of the Symposium on Estimating Functions (1997) ...