Rediscovering JavaScript

Tagged Template

A template literal may be untagged or tagged. Tags are functions that receive the contents of the provided template literal in two parts: the template object and the evaluated expressions. The template literals we saw so far are untagged, but we may optionally place a tag in front of a template literal.

Before you learn how to write your own tagged template functions, let’s make use of a built-in tagged template function called raw(). Suppose we want to create a string with some embedded special characters. In the next example we create a regular string, but by escaping each special character with a backslash.

literals/using-raw.js

console.log('some special characters: \\ \\n \\b \'');

The output from this ...