[实例] React V16 Demo
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>React CDN Example</title>
<!-- React 核心库，与宿主环境无关 -->
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<!-- 依赖核心库，将核心功能与页面结合 -->
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
</head>
<body>
<div id="root"></div>
<script>
// 创建元素
var h1 = React.createElement("h1", { title: "h1 tag" }, "Hello React!");
ReactDOM.render(h1, document.getElementById("root"));
</script>
</body>
</html>