DEV Community

Discussion on: Real DOM, Virtual DOM, Shadow DOM, What's the Difference?

View post
Collapse
 
a5okol profile image
5okol •

I'd like to add a little more information about Shadow DOM use cases:

  1. Web Components: Shadow DOM is a key technology in the Web Components standard. It allows developers to create reusable components that don't interfere with the rest of the page's styling and scripting. This is crucial for maintaining codebase modularity and avoiding conflicts in complex applications.
  2. Style Isolation: Shadow DOM enables developers to encapsulate component-specific styles. The styles applied to elements within the shadow DOM won't affect or be affected by the global styles of the rest of the page. This helps in building consistent and maintainable UI components.
  3. Complex UI Elements: Elements like video players, audio players, and interactive widgets often utilize the shadow DOM. It lets developers manage the internal UI of these components without cluttering the main DOM.
  4. Third-party Widgets: When integrating third-party widgets or components into a website, the shadow DOM can prevent these components from interfering with the website's overall styling and functionality.
  5. Security: Shadow DOM provides a level of isolation that helps prevent external scripts from directly interacting with the internals of a component, adding an extra layer of security.