[Suggestion]: Improve key attribute explanation
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- Dominant language
- JavaScript
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Description
Summary
The current docs for the key attribute do not explain in what scenario React actually relies on it
as far as I can tell, this attribute is only relevant for stateful components that rely on their useCallback destructors to be called when the corresponding entry is removed from a list.
Page
https://react.dev/learn/rendering-lists
Details
This comment on reddit may be a good example of a clear explanation of how react actually relies on the key when rendering
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the key attribute section on https://react.dev/learn/rendering-lists, then read the linked Reddit comment for the suggested explanation. Clarify the scenario in which React relies on keys when rendering list entries, and update the page so the explanation is accurate and understandable.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- react
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100