Learn Enough JavaScript to Be Dangerous: Write Programs, Publish Packages, and Develop Interactive Websites with JavaScript

Chapter 2

Strings

Strings are probably the most important data structure on the Web, since web pages ultimately consist of strings of characters sent from the server to the browser, and many other kinds of programs also require string manipulation. As a result, strings make an excellent place to start our JavaScript programming journey.

2.1 String Basics

Strings are made up of sequences of characters in a particular order. We’ve already seen several examples in the context of our “hello, world” programs in Chapter 1. Let’s see what happens if we type a string by itself (without console.log) into a Node session:

$ node
> "hello, world!"
'hello, world!'

A sequence of characters typed literally is called a string literal, which we’ve created here ...