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* Rewrite "adding React to existing app" Fixes #988 * Some copy * typo * Update babel instructions * Update umd link * Add prod minification section * Show "button" example in several targets * wip * More * More * tweak * yas * Multi root tip * moaar * alot * Tweak links * Explain better * better lead * tweaks * tweaks * wording * More reassuring tone * Grammar * wording * feedback from readers * Use id, not class * More nits * Re-add a useful section
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id, title, permalink, prev, next
| id | title | permalink | prev | next |
|---|---|---|---|---|
| cdn-links | CDN Links | docs/cdn-links.html | create-a-new-react-app.html | hello-world.html |
Both React and ReactDOM are available over a CDN.
<script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
The versions above are only meant for development, and are not suitable for production. Minified and optimized production versions of React are available at:
<script crossorigin src="https://unpkg.com/react@16/umd/react.production.min.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.production.min.js"></script>
To load a specific version of react and react-dom, replace 16 with the version number.
Why the crossorigin Attribute?
If you serve React from a CDN, we recommend to keep the crossorigin attribute set:
<script crossorigin src="..."></script>
We also recommend to verify that the CDN you are using sets the Access-Control-Allow-Origin: * HTTP header:
This enables a better error handling experience in React 16 and later.