use action state

Learn use action state in React with a dedicated explanation, a concept-specific example, a production caution, and a mastery check.

12 min read • Advanced

react-039.tsx

tsx

import { useActionState } from "react";
async function save(prev,form){ return {saved:form.get("name")}; }
export default function Editor(){ const [state,action,pending]=useActionState(save,{saved:null}); return <form action={action}><input name="name"/><button disabled={pending}>Save</button><p>{state.saved}</p></form>; }

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use action state

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