** Understanding View Encapsulation in Angular: A Guide to Shadow DOM, Emulated, and None Modes

Angular's view encapsulation feature helps developers control how component styles are applied within an app. The framework offers three main options: ShadowDom, Emulated, and None modes. This guide explores each mode, its benefits, and limitations.

ShadowDom uses the browser's built-in Shadow DOM to encapsulate styles, providing full self-containment. However, not all browsers support this feature. Emulated encapsulation mimics component isolation by rewriting CSS selectors, but can still lead to occasional conflicts. None mode applies styles globally, potentially causing clashes between components.

Developers typically stick with the default "Emulated" mode, which offers clean and conflict-free styling without over-isolating components. Only consider switching to Shadow DOM or None when unique requirements demand a different approach.

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Source: https://dev.to/itamartati/how-viewencapsulation-works-in-angular-the-shadow-dom-emulated-and-none-modes-4i28