Mastering TypeScript 3 - Third Edition

The Controller

The Controller in an MVC framework does the job of coordinating the interaction between the Model and the View. A Controller will generally accomplish the following steps:

1. Create an instance of a Model
2. Create an instance of the View
3. Pass the instance of the Model to the View
4. Ask the View to render itself (generate the actual HTML based on values in the Model)
5. Attach the resulting HTML to the DOM tree

The Controller in MVC is also responsible for the logic of the application. This means that it can control which views are presented when and what to do when certain events occur.

As an example of what a Controller could look like, consider the following code:

class Controller { model: Model; view : View; constructor() { this.model ...