How to Get the React Version With npm or Script

You can use this command in your terminal to view which version of React is used for your app.

$ npm view react version
$ npm view react-native version

From with React app:

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react-dom.min.js"></script>

<script>
   const REACT_VERSION = React.version;

   ReactDOM.render(
     <div>React version: {REACT_VERSION}</div>,
     document.getElementById('root')
   );
</script>

Add this to your HTML body element:

<div id="root"></div>

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