lovecoding
/
W250511


			
				
					
						
						
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							<!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>
    <!-- 
        事件绑定：
        1.DOM中  事件绑定 onclick onchange onBlur onSumbit
        2.事件流 事件绑定 addEventListener('click',function(){},true捕获/false冒泡)
        jsx语法
    -->
    <div id="root"></div>
    <script type="text/babel">
        let root = ReactDOM.createRoot(document.getElementById("root"));
        function App() {
            function handleClick() {
                console.log("你好")
            }
            function handleChange() {
                console.log('触发')
            }
            function handleSubmit() {
                alert("提交")
            }
            return (
                <div>
                    <h1 onClick={handleClick}>你好</h1>
                    <input type="text" onChange={handleChange} />
                    <input type="text" onBlur={function () {
                        console.log('失焦')
                    }} />
                    <input type="text" onBlur={() => {
                        console.log('失焦wwww')
                    }} />
                    <button onClick={handleSubmit}>按钮</button>
                    <form action="" onSubmit={handleSub}>
                        <input type="text" value={xx} />
                    </form>
                </div>
            )
        }
        root.render(<App />);
    </script>
</body>

</html>