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Aug 10, 2018 - JavaScript
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Aug 13, 2019 - CSS
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Mar 31, 2020 - JavaScript
整理一下React中关于state和props的知识点。
在任何应用中,数据都是必不可少的。我们需要直接的改变页面上一块的区域来使得视图的刷新,或者间接地改变其他地方的数据。React的数据是自顶向下单向流动的,即从父组件到子组件中,组件的数据存储在props和state中,这两个属性有啥子区别呢?
props
React的核心思想就是组件化思想,页面会被切分成一些独立的、可复用的组件。
组件从概念上看就是一个函数,可以接受一个参数作为输入值,这个参数就是props,所以可以把props理解为从外部传入组件内部的数据。由于React是单向数据流,所以props基本上也就是从服父级组件向子组件传递的数据。
用法
假设我们现在需要实现一个列表,根据React组件化思想,我们可以把列表中的行当做一个组件,也就是
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Jul 5, 2020 - JavaScript
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Right now, after adding a user, the focus stays on the Email field:

http://localhost:12001/repos/FundersClub/firebot/team
Instead, it should slide back to the GitHub field:

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Jun 21, 2020 - JavaScript
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Apr 24, 2016 - Rust
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Nov 16, 2018 - JavaScript
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Jul 14, 2019 - JavaScript
This is 2018. The DOM manipulation tools in JS are good enough that we don't have to use jQuery for simple stuff like this.
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Sep 26, 2019 - JavaScript
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Mar 20, 2020 - TypeScript
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JS 配置如下: