<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>hello_react</title>
</head>
<body>
<div id="test"></div>
<script type="text/javascript" src="js/react.development.js"></script>
<script type="text/javascript" src="js/react-dom.development.js"></script>
<script type="text/javascript" src="js/babel.min.js"></script>
<script type="text/babel">
const VDOM=(<h1><span>hello react</span></h1>)
ReactDOM.render(VDOM,document.getElementById('test'))
const DOM=document.getElementById('test')
console.log('虚拟DOM',VDOM);
console.log('真实DOM',DOM);
debugger;
</script>
</body>
</html>
- 虚拟DOM:是一个对象。真实DOM:是THML标签。
- 虚拟DOM:属性少。真实DOM:属性多。
- 虚拟DOM通过React转换为真实DOM展示到页面