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A Secret parts of React New Context API
Context provides a way to pass data through the component tree without having to pass props down manually at every… The API is using a render props pattern so you can use the API flexible. const LangContext = React.createContext(null);const App = () => ( <LangContext.Provider value="en"> <LangContext.Consumer> {lang => <Message text="hello" lang={lang} /> } </LangContext.Consumer> </LangContext.Pr
odan3240 2020/11/02
“The New Context API is able to optimize your updates for a context value, in order to do this, you have to specify changedBits and observedBits.”
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Validate to work your application on IE11 using webpack plugin
I guess most developers don’t use IE11 as their developer environment. But we often have to support IE11 as an environment for our applications. These days, we write application code using TypeScript, ES2020, or JSX and compile them to ES5 JavaScript, so we don’t have to care about what ECMAScript features our support browsers support, because these are responsibilities of compilers like TypeScrip
odan3240 2020/05/20
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