Nit*_*ana 1 javascript reactjs react-dom
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Hello React!</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.2/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.2/react-dom.min.js"></script>
<script src="https://unpkg.com/babel-core@5.8.38/browser.min.js"></script>
</head>
<body>
<div id="example"></div>
<script type="text/babel">
ReactDOM.render(
<h1>Hello, world!</h1>,
document.getElementById('example')
);
</script>
</body>
</html>
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上面的程序运行正常.但是当我将脚本文件中的内容移动到单独的app.jsx文件时,它会显示未定义reactDom的错误.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Hello React!</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.2/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.2/react-dom.min.js"></script>
<script src="https://unpkg.com/babel-core@5.8.38/browser.min.js"></script>
</head>
<body>
<div id="example"></div>
<script type="text/babel" src="app.jsx">
</script>
</body>
</html>
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我的app.jsx看起来像:
ReactDom.render(
<h1>Hello React!!!</h1>,
document.getElementById('example')
)
Run Code Online (Sandbox Code Playgroud)
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