react生命周期钩子函数.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <script>
        /***
        * componentWillMount 组件挂载前
        * componentDidMount 组件挂载后
        * componentWillUpdate 组件更新前
        * componentDidUpdate 组件更新后
        * componentWillUnmount 组件销毁后
        **/
    </script>
</body>
</html>