



理想是火,点燃熄灭的灯。



<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/babel-standalone@6.26.0/babel.js"></script>
</head>
<body>
<div id="root"></div>
</body>
<script type="text/babel">
class App extends React.Component {
constructor(props) {
super(props);
this.state = {
testVal: "123",
};
}
render() {
console.log(this);
return <h1> {this.state.testVal} !</h1>;
}
}
ReactDOM.render(<App />, document.getElementById("root"));
</script>
</html>
script标签里面写react代码了,但是这里有个重点,那就是script标签的类型type,正常的script标签类型是type="text/javascript",而一般写模板语法时,写的类型是type="text/html",但是react的script标签的类型是type="text/babel"**记住一定要写成这个类型,否则会报错,解读不了react代码
作者: Bill 本文地址: http://biaoblog.cn/info?id=1607050860000
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