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<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>01_HelloWorld</title> <script src="../js/react-dom.development.js"></script> <script src="../js/react.development.js"></script> <script src="../js/babel.min.js"></script></head><body><div id="test"></div><script type="text/babel"> //1.创建虚拟DOM元素对象 var vDom = <h1>Hello!</h1> //字符串 //2.将虚拟DOM渲染到页面真实DOM容器中 ReactDOM.render( vDom, document.getElementById("test") )</script></body></html>
如图这样的代码进行运行,运行结果一片空白;
究其原因是因为react.development.js须在react-dom.development.js之前导入
将导入部分的代码改为:
<script src="../js/react.development.js"></script> <script src="../js/react-dom.development.js"></script> <script src="../js/babel.min.js"></script>
成功运行
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