December 2016
Intermediate to advanced
841 pages
17h
English
Content preview from TypeScript: Modern JavaScript DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Working with Functions
In Chapter 1, Introducing TypeScript, we took a first look at the usage of functions. Functions are the fundamental building block of any application in TypeScript, and they are powerful enough to deserve the dedication of an entire chapter to explore their potential.
In this chapter, we will learn to work with functions in depth. The chapter is divided into two main sections. In the first section, we will start with a quick recap of some basic concepts and then move onto some less commonly known function features and use cases. The first section includes the following concepts:
- Function declaration and function expressions
- Function types
- Functions with optional parameters
- Functions with default parameters
- Functions ...
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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.