Next.js Server Actions: Forms and Mutations Guide
Learn how to use Next.js Server Actions for form handling, data mutations, optimistic updates, and error handling with practical examples.
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Learn how to use Next.js Server Actions for form handling, data mutations, optimistic updates, and error handling with practical examples.
Handle file uploads in Next.js using server actions. Covers FormData, validation, cloud storage integration, progress tracking, and error handling.
Learn React's useOptimistic hook for optimistic UI updates: how it works, when to use it, rollback strategies, and real-world patterns with Server Actions.
How Next.js Server Actions replace API routes for form submissions — progressive enhancement, useFormState and useFormStatus, validation, revalidation, and avoiding the most common mistakes.
Server Actions explained: what they are under the hood, how to use them for forms and mutations, and the security and UX patterns that matter.