What is View Encapsulation in Angular

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View encapsulation is a feature in Angular that allows you to control the visibility and scope of styles in your components. By default, Angular uses a technique called emulated view encapsulation, which means that each component's styles are encapsulated and only apply to the component's template and its children. This is achieved by adding a unique attribute to the component's elements, and using CSS selectors that take advantage of this attribute to apply the styles only to the relevant elements.

Emulated view encapsulation provides several benefits, including:

  1. Preventing style conflicts:

    Since each component's styles are encapsulated, there is less risk of style conflicts between different components.

  2. Isolation:

    Encapsulating styles helps to keep the styles of a component separate from those of other components, making it easier to maintain and modify your application.

  3. Reusability:

    Encapsulating styles makes it easier to reuse components in different parts of your application without worrying about style conflicts.


In addition to emulated view encapsulation, Angular also supports two other types of view encapsulation: shadow DOM and none. Shadow DOM uses the native browser technology to provide true encapsulation, but it is not supported by all browsers. The none option disables view encapsulation altogether, which means that styles defined in a component can affect other parts of your application.

                 





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