Pipes in #Angular2
Pipe is a mechanism for transforming and formatting data within HTML templates in an Angular2 application.
Pipes in #Angular2

Pipe is a mechanism for transforming and formatting data within HTML templates in an Angular2 application.
The pipe | character is used to apply filters in AngularJS. Filters are used to to transform the data into a specified format.
Built-in Pipes in Angular 2
Below table has the most common ones:

There are more built-in pipes that you can find in the Angular API reference.
Example:
Below is how you use the pipe in the html template:
The output will look like:
Welcome back JOE schmoOn Jun 26, 2016 at 7:18 you reserved room 205 for Nov 14, 2025 for a total cost of $99.99.
Pipes can also be chained:
<p>Today is .</p>
Custom Pipes
You can also implement your custom pipe to do your own transformation logic.
The following code snippet shows how you can create a custom pipe called: “MyPipe”
In the following code snippet, we use the pipe in the angular component:
And you need the following code to declare and include your custom pipe in your angular module:
For more information about pipes visit the Angular2 API reference.