React 17 Release Candidate

It’s all about gradual updates.

Classic Reagan
<script crossorigin src="https://unpkg.com/react@17.0.0-rc.0/umd/react.production.min.js"></script><script crossorigin src="https://unpkg.com/react-dom@17.0.0-rc.0/umd/react-dom.production.min.js"></script>
const rootNode = document.getElementById(‘root’); ReactDOM.render(<App />, rootNode);
Independent React components managed by Bit
function Compile() { 
return <div />;
}
import { jsx as _jsx } from "react/jsx-runtime"; 
function Compile() {
return _jsx("div", …);
}
function handleChange(e) { 
setData(data => ({
…data,
text: e.target.value}));}
useEffect(() => {
// Here include the effect itself.
return () => {
// Here include its cleanup.
};
});
let Button = forwardRef(() => {// Since we haven’t specified return statement,this component would returns undefined.// React 17 determine this as an error instead of ignoring it.<button />;});let Button = memo(() => {// Since we haven’t specified return statement,this component would returns undefined.// React 17 determine this as an error instead of ignoring it.<button />;});
function FactoryComponent() {
return {
render() {
return <div />;
}
}
}

Author: admin

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