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@@ -0,0 +1,44 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <script src="./babel.min.js"></script>
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+ <script src="./react.development.js"></script>
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+ <script src="./react-dom.development.js"></script>
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+</head>
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+<body>
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+ <div id="root"></div>
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+ <script type="text/babel">
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+ const root = ReactDOM.createRoot(document.getElementById("root"));
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+ function App() {
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+ function handleClick(event) {
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+ console.log("哈哈",event)
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+ }
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+ function handleChange() {
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+ console.log("11")
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+ return () => {
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+ console.log("22")
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+ }
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+ }
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+ return (
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+ <div>
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+ <button onClick={handleClick}>点击</button>
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+ <br/>
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+ <br/>
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+ <input type="text" onKeyUp={function(event) {
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+ console.log('抬起',event)
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+ }} />
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+ <br/>
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+ <br/>
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+ <input type="text" onChange={(event)=>{
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+ console.log("改变",event)
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+ }} />
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+ </div>
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+ )
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+ }
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+ root.render(<App/>);
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+ </script>
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+</body>
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+</html>
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