TypeScript 2.x By Example

Component class

The component class is where the brain of the component resides. This class is written in TypeScript, and has properties and methods. The properties define the data members of the component, and are bound to the template using Angular binding syntax. The methods provide interface for the events that are triggered on the user interface. 

As we have learned, each class is defined by the class keyword followed by the class name. One of the best practices defined for the component class is to name the class followed by the component keyword, such as newsComponent. The export keyword in front of the class allows the class to be available to the other components of the application. The following is an example of one such class: ...