Learning Angular 2 Directives (Video 5)

This video tutorial extends the Angular component by demonstrating how to pass data into components and emit events from them. It covers creating a new app component, using the directives property, and implementing input and output decorators for data binding and event handling. The tutorial provides a step-by-step guide to setting up these features in Angular 2, enhancing component interaction and application performance.

Why do we need to move the component a level deeper in Angular?

• To make it easier to debug

• To improve its performance

• To allow it to accept input values

• To make it the root component

What is the purpose of the Directives property in Angular components?

• To handle component styles

• To specify the component's selector

• To define the component's template

• To manage instances of components within templates

How can you specify an input parameter in an Angular component?

• Using the Selector property

• Using the Output decorator

• Using the Input array on the component decorator

• Using the Template property

What is the advantage of using the Input decorator over the Input array?

• It automatically renders the input

• It provides better error handling

• It is more elegant and concise

• It allows for multiple inputs

What does the Output decorator in Angular components do?

• It defines the component's template

• It specifies the component's selector

• It handles component styles

• It allows the component to emit events

How do you define a click event in Angular 2?

• Using angle brackets

• Using square brackets

• Using round brackets

• Using curly braces

What is the role of EventEmitter in Angular?

• To handle component styles

• To specify the component's selector

• To emit events from a component

• To define the component's template