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Yes and in fact it is right in our docs. https://facebook.github.io/react/docs/composition-vs-inheritance.html https://facebook.github.io/react/docs/compositio

Yes and in fact it is right in our docs. https://facebook.github.io/react/docs/composition-vs-inheritance.html https://facebook.github.io/react/docs/composition-vs-inherit... >So What About Inheritance? >At Facebook, we use React in thousands of components, and we haven't found any use cases where we would recommend creating component inheritance hierarchies. We dislike inheritance as much as you do, but we also dislike ad hoc class systems that have worse performance.

EugeneOZ 10y ago
Example with "extends" is also in your docs (exactly by link of this post), so I'm not sure what it proves.
- seattle_spring 10y ago
  That's extending the base react component class, not an existing component class.
  - EugeneOZ 10y ago
    Well, if you think there's a difference then we never agree :)
    - jhall1468 10y ago
      Creating a nested class hierarchy and extending a single base class for all components are decidedly not the same thing.