Question

name the device developed using directive property​

Answer 1

Answer:

There are three kinds of directives in Angular:

Components—directives with a template.

Structural directives—change the DOM layout by adding and removing DOM elements.

Attribute directives—change the appearance or behavior of an element, component, or another directive.

Components are the most common of the three directives. You saw a component for the first time in the Getting Started tutorial.

Structural Directives change the structure of the view. Two examples are NgFor and NgIf. Learn about them in the Structural Directives guide.

Attribute directives are used as attributes of elements. The built-in NgStyle directive in the Template Syntax guide, for example, can change several element styles at the same time.

Explanation:

Answer 2

Compass is developed using directive property.

Explanation:  

• The compass is an instrument which is made by using the directive property of a magnet.  

• When a freely hung compass, is allowed to rest it does show in north south direction.  

• In other words a compass always points towards the geometric North Pole.  

• This property of the compass was used earlier in the 11th century to design the compass which was widely used by the sailors at the time to navigate the sea. This is the directive property of a magnet.

Learn more about Compass

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