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react-app's Introduction

组件和父组件通信

## 父组件通过props给子组件传一个函数, 让自组件调用即可
## 函数中修改父组件的状态,

## 状态在哪里, 操作状态的函数就在哪里
window.confirm() ## 弹窗,是否确定删除,返回true or false

plice方法, 操作原数组,

filter方法
## 画dag的探索
https://wimyedema.medium.com/drawing-dags-5cadcb452115

dagre-d3, currently it is the best option for DAG drawing,

## 悬浮解决方案,
https://dagrejs.github.io/project/dagre-d3/latest/demo/hover.html


## 使用dagre-d3做一个dag图(关系图) demo
https://www.mk2048.com/blog/blog_0c0icbchaa.html
## react demo
https://codesandbox.io/s/ktrbg?file=/src/index.js

补习欠缺知识

Es6风格
发请求axios
Promise实例,
express 搭建前端服务器

解决跨域问题

## 

react-app's People

Contributors

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