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Home Page: https://blog.uhy.ooo/
License: MIT License
blog.uhy.ooo
Home Page: https://blog.uhy.ooo/
License: MIT License
https://blog.uhy.ooo/entry/2021-07-24/react-state-management/#q--a
素晴らしい記事で勉強になりました!
useContextを使うことで、ステートが変わった際には本当にそのステートを使用しているコンポーネントのみが再レンダリングされるようになるからです。コンポーネントツリーの頂点と使用者の間にある中間コンポーネントは、useContextを使っていなければ再レンダリングされません。
こうするには多分工夫する必要がありますね、context providerのchildrenを外に持ち出すか、memoするとかで。
デフォルトはこうならない気がします
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.