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add crypto.randomUUID as source of keys (#4165)

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Co-authored-by: Oliver Williams <oliver@Olivers-MacBook-Pro.local>
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Oliver Williams
2022-04-14 01:59:42 +01:00
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parent 63234808da
commit 07dbd86ca4
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beta/src/pages/learn/rendering-lists.md
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@@ -390,7 +390,7 @@ Fragments disappear from the DOM, so this will produce a flat list of `<h1>`, `<
Different sources of data provide different sources of keys:
* **Data from a database:** If your data is coming from a database, you can use the database keys/IDs, which are unique by nature.
* **Locally generated data:** If your data is generated and persisted locally (e.g. notes in a note-taking app), use an incrementing counter or a package like [`uuid`](https://www.npmjs.com/package/uuid) when creating items.
* **Locally generated data:** If your data is generated and persisted locally (e.g. notes in a note-taking app), use an incrementing counter, [`crypto.randomUUID()`](https://developer.mozilla.org/en-US/docs/Web/API/Crypto/randomUUID) or a package like [`uuid`](https://www.npmjs.com/package/uuid) when creating items.
### Rules of keys {/*rules-of-keys*/}