Introducing Hooks React
At React Conf 2018 Sophie Alpert and Dan Abramov introduced Hooks followed by Ryan Florence demonstrating how to refactor an application to use them Watch the video here
CDN Links React, CDN Links These docs are old and won t be updated Go to react dev for the new React docs See Add React to an Existing Project for the recommended ways to add React Both React
Getting Started React
React React JavaScript
Forms React, In React mutable state is typically kept in the state property of components and only updated with setState We can combine the two by making the React state be the single source of
Forwarding Refs React
Forwarding Refs React, We create a React ref by calling React createRef and assign it to a ref variable We pass our ref down to lt FancyButton ref ref gt by specifying it as a JSX attribute
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Using The State Hook React
Using The State Hook React You might be curious how React knows which component useState corresponds to since we re not passing anything like this back to React We ll answer this ion and many others in the
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Even though a portal can be anywhere in the DOM tree it behaves like a normal React child in every other way Features like context work exactly the same regardless of whether the child is Portals React. In React apps whether a component is stateful or stateless is considered an implementation detail of the component that may change over time You can use stateless components inside The react dom package provides DOM specific methods that can be used at the top level of your app and as an escape hatch to get outside the React model if you need to
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