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[Suggestion]: Adding an Explanation Text to Avoid any Confusion

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評估

難度
2/5
預估耗時
1-3 小時
新手友好度
62/100
Issue 類型
文件
描述清晰度
描述清楚
活躍度
停滯
技術堆疊
javascript, react
領域
documentation

研究方向

開啟 react.dev/learn/render-and-commit 頁面並檢查「Step 3: React commits changes to the DOM」，尤其是關於使用不同 props 重新渲染的句子及其 playground。將其與連結的「State as a Snapshot」頁面進行比較，然後更新說明，使兩者的區別清楚明確，並檢查文件預覽和連結。

由索引模型根據 Issue 內容生成。

描述

type: documentation
Summary

Add an explanation text to avoid any confusion about the fact that it's the component's internal state changes, not the props themselves, that actually trigger the render (cf : the Big Re-renders Myth as mentioned by Nadia Makarevich).

Page

https://react.dev/learn/render-and-commit

Details

Section : "Step 3: React commits changes to the DOM"

In this section, there is a sentence which could create some confusion for a new React Developer.
Indeed, even if it is recalled various times in this page, this sentence could bring some confusion since it is not clearly established that a re-render is triggered by state changes instead of props. Therefore, I suggest to add some short explanations to explicitly clarify this distinction.
This is also a good way to create a common thread with the next page "State as a Snapshot".

Moreover, the playground doesn't help to understand this distinction since we don't use any useState hook in this component but in the parent component (we have to fork it to see all the components):
image

  • The original sentences :

React only changes the DOM nodes if there’s a difference between renders. For example, here is a component that re-renders with different props passed from its parent every second.

  • The additional sentence :
    It's worth noting that although props are updated, it's the component's internal state changes that actually trigger the render.
主要語言
JavaScript
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16 小時 6 分鐘
30 天內合併 PR
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