reactjs / reactjs/react.dev

Warning: Each child in a list should have a unique "key" prop.

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Dominant language
JavaScript
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Description

I'm getting this warning in my console, because apparently in my component the key is repeated, the thing is i follow this link in the warning: https://react.dev/docs/lists-and-keys.html#keys, and oh surprise i got a 404, so i dont know if im wrong (because im searching and debugging and stills is wrong) or your guys are wrong, i hope you help me with this, please.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by opening the documentation link in the issue and confirming that it returns a 404. Locate the documentation page for the warning about unique list keys and update the broken reference; done means the link resolves and points readers to relevant guidance.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, react
Domain
documentation
Issue type
Documentation
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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