lovecoding
/
w1020


			
				
					
						
						
							1234567891011121314151617181920212223242526272829303132333435363738394041424344
							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./babel.min.js"></script>
    <script src="./react.development.js"></script>
    <script src="./react-dom.development.js"></script>
</head>
<body>
    <div id="root"></div>
    <script type="text/babel">
        const root = ReactDOM.createRoot(document.getElementById("root"));
        function App() {
            function handleClick(event) {
                console.log("哈哈",event)
            }
            function handleChange() {
                console.log("11")
                return () => {
                    console.log("22")
                }
            }
            return (
                <div>
                    <button onClick={handleClick}>点击</button>   
                    <br/>
                    <br/>
                    <input type="text" onKeyUp={function(event) {
                        console.log('抬起',event)
                    }} />
                    <br/>
                    <br/>
                    <input type="text" onChange={(event)=>{
                        console.log("改变",event)
                    }} />
                </div>
            )
        }
        root.render(<App/>);
    </script>
</body>
</html>