res.redirect for redirections in Express - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does res.redirect() do in Express?

res.redirect() sends a response to the browser telling it to go to a different URL. It makes the browser load a new page.

beginner

How do you redirect a user to the homepage '/' using res.redirect()?

Use res.redirect('/'). This tells the browser to go to the root page of the website.

intermediate

What HTTP status code does res.redirect() use by default?

By default, res.redirect() uses status code 302, which means "Found" or temporary redirect.

intermediate

How can you specify a permanent redirect with res.redirect()?

Pass the status code 301 as the first argument, then the URL: res.redirect(301, '/new-url'). This tells browsers the redirect is permanent.

beginner

Can res.redirect() redirect to an external website?

Yes, you can redirect to any URL, including external sites like res.redirect('https://example.com').

What is the default HTTP status code used by res.redirect() in Express?

A 500

B 301

C 404

D 302

The default status code for res.redirect() is 302, which means a temporary redirect.

How do you redirect a user permanently to '/dashboard'?

A res.redirect(301, '/dashboard')

B res.redirect(500, '/dashboard')

C res.redirect(404, '/dashboard')

D res.redirect('/dashboard')

Use res.redirect(301, '/dashboard') to send a permanent redirect.

Which of these is a valid way to redirect to an external site?

A res.redirect(404, 'https://google.com')

B res.redirect('/google.com')

C res.redirect('https://google.com')

D res.redirect('google.com')

Redirect URLs must be full URLs for external sites, like https://google.com.

What happens after calling res.redirect() in your route handler?

A The server sends a redirect response and ends the request.

B The server continues processing the route.

C The server throws an error.

D Nothing happens until you call <code>res.send()</code>.

res.redirect() sends the redirect response and ends the request-response cycle.

Which method is used to redirect in Express?

A res.sendRedirect()

B res.redirect()

C res.go()

D res.move()

The correct method is res.redirect().

Explain how to use res.redirect() to send a temporary and a permanent redirect in Express.

Think about the status codes and how they affect browser behavior.

Describe what happens in the browser and server when res.redirect('/home') is called.

Consider the communication between server and browser.