Remix vs Next.js comparison - Practice Questions

Challenge - 5 Problems

🧠 Conceptual

intermediate

Difference in Data Loading Methods

Which statement correctly describes how Remix and Next.js handle data loading for pages?

A Remix does not support server-side data loading, only client-side fetching.

B Both Remix and Next.js only fetch data on the client side after the page loads.

C Next.js uses loader functions like Remix, but Remix uses getServerSideProps instead.

D Remix uses loader functions that run on the server for each route, while Next.js uses getServerSideProps or getStaticProps functions for data fetching.

💡 Hint

Think about how each framework fetches data before rendering the page.

Remix uses loader functions that run on the server for each route to fetch data before rendering. Next.js uses special functions like getServerSideProps or getStaticProps to fetch data server-side or at build time.

❓ component_behavior

intermediate

Routing Behavior Differences

How does routing differ between Remix and Next.js?

A Remix uses nested routes with layouts by default, while Next.js uses a file-based routing system without nested layouts by default.

B Next.js supports nested routes and layouts by default, Remix does not support nested routes.

C Both Remix and Next.js require manual route configuration in a central file.

D Remix uses client-side routing only, Next.js uses server-side routing only.

💡 Hint

Consider how each framework organizes pages and layouts.

Remix supports nested routes and layouts naturally, allowing layouts to wrap child routes easily. Next.js uses file-based routing but nested layouts require extra setup.

📝 Syntax

advanced

Correct Loader Function Syntax in Remix

Which option shows the correct syntax for a loader function in Remix that fetches JSON data?

Remix

export async function loader() {
  // fetch data here
}

A

export async function loader() {
  const res = await fetch('/api/data');
  return new Response(JSON.stringify(res));
}

B

export function loader() {
  return fetch('/api/data').then(res => res.json());
}

C

export async function loader() {
  const res = await fetch('/api/data');
  return res;
}

D

export async function loader() {
  const res = await fetch('/api/data');
  return res.json();
}

💡 Hint

Remix expects loader to return a Response or use the json helper.

In Remix, the loader function should return a Response object or use the json helper to return JSON data properly. Returning res.json() directly returns a promise, which Remix does not handle as expected.

🔧 Debug

advanced

Next.js getStaticProps Error Identification

What error will this Next.js getStaticProps function cause? export async function getStaticProps() { const data = fetch('https://api.example.com/data'); return { props: { data } }; }

A TypeError because fetch is not defined.

B The page will render with a Promise object instead of data.

C SyntaxError due to missing await keyword.

D No error, the code works correctly.

💡 Hint

Check if the fetch call is awaited before returning data.

The fetch call returns a Promise. Without awaiting it, the Promise object is passed as data, causing the page to render incorrectly with a Promise instead of the actual data.

❓ state_output

expert

Remix Form Submission Behavior

Given this Remix form component, what will be the value of 'formData' in the action function after submitting the form?

export async function action({ request }) { const formData = await request.formData(); return formData.get('username'); }

A null because defaultValue does not set the input value sent in the form.

B undefined because formData.get returns undefined for missing keys.

C "guest" if the user does not change the input before submitting.

D An empty string because the input is uncontrolled.

💡 Hint

Consider how HTML forms send input values and how defaultValue works.

The defaultValue sets the initial value of the input. If the user does not change it, the form submits "guest" as the username. The action function reads this value from formData.