March 2021
Beginner
404 pages
5h 47m
English
Content preview from Learn to Code With JavaScript
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Chapter 3: Letters and Words
In this chapter, we’ll be looking at how letters and words are represented and used in programming languages. We’ll also look at how JavaScript represents them using strings. We’re going to cover the following:
- chars and strings
- strings in JavaScript
- escaping values
- finding characters
- string length
- string arithmetic
- string methods
- template literals and interpolation
Chars and Strings
As we saw in the previous chapter, most programming languages have primitive data types of char (a single character) and strings (a collection of characters). In fact, you can almost think of a string as a collection of characters joined together by a piece of string:
JavaScript only has a primitive data type of String, but this can ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.