var ReactDom = require('react-dom') var ReactRouter = require('react-router-dom') var Router = ReactRouter.BrowserRouter var Route = ReactRouter.Route var Link = ReactRouter.Link var CreateClass = require('create-react-class') var PropTypes = require('prop-types') var Ajax = require('d...
前端项目实战41-子组件嵌套memo防止重复渲染 const MenuButton = memo( ({ index, onButtonClick, }: { index: number; onButtonClick: (type: string, index: number) => void; }) => ( <React.Fragment> < 值类型 嵌套 父组件 子组件渲染 子组件使用v-if判断后渲染。 v-if 也是惰性的:如果在...