Pro Angular 16

17 Using and creating pipes

This chapter covers

• Creating and applying pipes
• Using pure and impure pipes to update HTML content
• Formatting data values using the built-in Angular pipes

Pipes are small fragments of code that transform data values so they can be displayed to the user in templates. Pipes allow transformation logic to be defined in self-contained classes so that it can be applied consistently throughout an application. Table 17.1 puts pipes in context.

Table 17.1. Putting pipes in context

Question	Answer
What are they?	Pipes are classes that are used to prepare data for display to the user.
Why are they useful?	Pipes allow preparation logic to be defined in a single class that can be used throughout ...