我的个人博客

记录我的学习心路历程

0%

729_React_hello

发表于 分类于 
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .testjsx {
        background-color: skyblue;
      }
    </style>
  </head>
  <body>
    <!-- 准备好一个容器 -->
    <div id="test"></div>

    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <!-- 引入react-dom,用于支持react操作DOM -->
    <script
      type="text/javascript"
      src="../js/react-dom.development.js"
    ></script>
    <!-- 引入bable,用于将jsx转换为js -->
    <script type="text/javascript" src="../js/babel.min.js"></script>

    <!-- 此处一定要写bable，表示要写入jsx代码 -->
    <script type="text/babel">
      const h1id = "h1Id";
      const myData = "Hello React";
      //1、创建虚拟DOM
      const VDOM = (
        <div>
          <h1 id={h1id} className="testjsx">
            <span style={{ fontSize: "50px", color: "pink" }}>{myData}</span>
          </h1>
        </div>
      );
      //2、渲染虚拟DOM到页面
      ReactDOM.render(VDOM, document.querySelector("#test"));
    </script>
  </body>
</html>