req.method and req.url in Express - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does req.method represent in Express?

req.method is a string that shows the HTTP method used in the request, like GET, POST, PUT, or DELETE.

beginner

What information does req.url provide in an Express request?

req.url gives the path and query string part of the URL the client requested, for example, /home?user=123.

intermediate

How can req.method and req.url be used together in Express?

You can check req.method and req.url to decide how to respond, like handling GET requests to /about differently from POST requests to /submit.

beginner

Example: What will req.method and req.url be if a user visits POST /login?

req.method will be "POST" and req.url will be "/login".

beginner

Why is it useful to check req.method in your Express app?

Because it helps your app know what the client wants to do, like get data, send data, update, or delete something, so you can respond correctly.

What does req.method contain in an Express request?

A The response status code

B The full URL including domain

C The request headers

D The HTTP method like GET or POST

req.method holds the HTTP method used by the client, such as GET or POST.

If a user visits http://example.com/products?item=5, what will req.url be?

A /products?item=5

B http://example.com/products?item=5

C /products

D item=5

req.url contains the path and query string, so it will be /products?item=5.

Which of these is true about req.method and req.url?

A Both contain the full URL

B <code>req.method</code> is the URL path, <code>req.url</code> is the HTTP method

C <code>req.method</code> is the HTTP method, <code>req.url</code> is the URL path and query

D Both contain HTTP headers

req.method is the HTTP method, and req.url is the path plus query string.

Why might you check req.method in your Express route handler?

A To know what kind of request the client sent

B To get the client's IP address

C To read cookies

D To set response headers

Checking req.method tells you if the client wants to get, post, or delete data.

What will req.url be if the user requests GET /search?q=books?

A GET

B /search?q=books

C /search

D books

req.url includes the path and query string, so it will be /search?q=books.

Explain what req.method and req.url represent in an Express request and how you might use them.

Think about how your app knows what the client wants and where.

Describe a simple example where checking req.method and req.url helps your Express app respond differently.

Imagine a website with a home page and a form submission.