Testaccount
/
1.Test


			
				
					
						
						
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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>
    <!-- 将jsx转为js -->
    <script src="./babel.min.js"></script>
    <!-- react核心库 -->
    <script src="./react.development.js"></script>
    <!-- react中dom操作库 -->
    <script src="./react-dom.development.js"></script>
</head>
<body>
    <div id="root"></div>
    <script type="text/babel">
        function handleClick(){
            console.log("今天不下雪")
        }
        function handleChange(e){
            console.log("发生改变",e.target.value)
        }
        function handleSubmit(e){
            //e.preventDefault();阻止默认事件
            //e.preventPropagation();阻止冒泡事件
            e.preventDefault();
            console.log("提交")
        }
        let element=(
            <div>
                <button onClick={handleClick}>点击按钮</button>
                <br/>
                <input type="text" onChange={handleChange} />
                <form onSubmit={handleSubmit}>
                    <button>提交</button>
                    </form>
            </div>
        )
        let Page = document.querySelector("#root");
            ReactDOM.createRoot(Page).render(element);
    </script>
</body>
</html>