Using Server Actions in Next.js

In this tutorial, you will learn how to use server actions in Next.js

Server Actions allow forms to be submitted directly to the server.

What is the use of Server Actions?

There are many points below to show the use of Server Actions.

  1. Inserting data into a database.
  2. Update records in the database.
  3. Select records from the database.
  4. secure operations (server-side only).
  5. form submission.

How Server Actions Work?

  1. They run on the server automatically.
  2. No API routes needed.

Example:


"use server";

export async function saveUser(formData) {
  const name = formData.get("name");
  console.log("Saved:", name);
}

Client Component:
<form action={saveUser}>
  <input name="name" type="text" placeholder="Enter name" />
  <button type="submit">Save</button>
</form>

What are the benefits of Server Actions?

There are many benefits of Server Actions.

  1. It has Server-side validation.
  2. It has secure database operations.
  3. It has Faster performance.
  4. There is no need for API endpoints.
  5. It has a smaller bundle size.

Using Server Actions in Next.js – Interview Questions

Q 1: What are Server Actions?
Ans: Functions that run on the server triggered by forms or events.
Q 2: How are Server Actions defined?
Ans: Using "use server".
Q 3: What is the benefit of Server Actions?
Ans: No API boilerplate.
Q 4: Are Server Actions secure?
Ans: Yes, they run only on the server.
Q 5: Can Server Actions access databases?
Ans: Yes.

Using Server Actions in Next.js – Objective Questions (MCQs)

Q1. Server Actions in Next.js are mainly used to:





Q2. Which directive enables Server Actions?





Q3. Server Actions run on the:





Q4. Server Actions can be triggered using:





Q5. Which benefit do Server Actions provide?





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