Posted On: Feb 22, 2018
Components in Angular 2 are simply directives that are always associated with a direct template. Angular 2 components have an extremely well defined life-cycle. When working with angular components, we can make use of interfaces which allows us to implement functionality for different times in a components lifecycle. A component must belong to an NgModule in order for it to be usable by another component or application. Components can even control their runtime behaviour by implementing various Life-cycle hooks.
@component ({selector: 'great', template: 'hello {{name}}!'})
Class greet{
Name: string = 'world';
}
Components always have a template and only one component can be instantiated per an element in a template. When a component is instantiated, angular creates a change detector, which is responsible for propagating the component’s building.
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