April 2023
Intermediate to advanced
614 pages
12h 41m
English
Content preview from Mastering JavaScript Functional Programming - Third Edition
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6
Producing Functions – Higher-Order Functions
In Chapter 5, Programming Declaratively, we worked with some declarative code so that we could gain understandability and more compact, shorter code. In this chapter, we will go further toward higher-order functions (HOFs) and develop our own. We can roughly classify the results that we are going to get into three groups:
- Wrapped functions: These keep their original functionality while adding some kind of new feature. In this group, we can consider logging (adding log production capacity to any function), timing (producing time and performance data for a given function), and memoization of functions and promises (caching results to avoid future rework).
- Altered functions: These differ in some key ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.