编写react组件 React的函数和类组件,道具,状态和事件处理程序 (React’s function and class components, props, state, and event handlers) Update: This article is now part of my book “React.js Beyond The Basics”. 更新:本文现在是我的书《超
react 组件引用组件While React has ways to break the hatch and directly manipulate the DOM there are very few reasons to do this. We shouldn’t directly manipulate the DOM unless we have a really good reason to. When we need to we should use the ref proper