初心，官网一分钟太繁琐
一个index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Add React in One Minute</title>
</head>
<body>
<h2>Add React in One Minute</h2>
<!-- We will put our React component inside this div. -->
<div id="app"></div>
<!-- Load React. -->
<!-- Note: when deploying, replace "development.js" with "production.min.js". -->
<script src="https://unpkg.com/react@16/umd/react.development.js" crossorigin></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js" crossorigin></script>
<script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script>
<!-- Load our React component. -->
<script type="text/babel">
class App extends React.Component {
constructor(props) {
super(props);
this.state = { name: 'world' };
}
render() {
return (
<div>
<h2>{this.state.name}</h2>
<button onClick={()=>this.setState({name:'john'})}>
change name
</button>
</div>
)
}
}
ReactDOM.render(<App/>, document.querySelector('#app'));
</script>
</body>
</html>
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