Every article tagged Forms, in one place.
Showing 3 articles
Before React 19, a form needed state for values, errors, loading and the response. useActionState folds most of that into one hook. The signature const [state, formAction, isPending] = useActionState(actionFn, initialState); // actionFn(previousState, formData...
A Server Action is an async function that runs on the server but can be called from a form or a client component. Next.js creates the endpoint for you. A form that writes to the database // app/todos/page.tsx import { revalidatePath } from 'next/cache'; import...
Short answer: a controlled input's value comes from React state and changes through onChange . An uncontrolled input keeps its own value in the DOM; you read it when needed (via a ref or FormData ). Controlled function Search() { const [query, setQuery] = useS...
