#express

Articles tagged with #express

Async Code in Node.js
Callbacks and Promises Explained
May 1, 20263 min read
JWT Authentication in Node.js Explained Simply
As soon as your application has users, one question becomes important. How do you make sure that only the right user can access certain routes? This is what authentication solves. In modern backend sy
May 1, 20264 min read6
URL Parameters vs Query Strings in Express.js`
When building APIs, handling incoming data is not just about the request body. A lot of information comes directly from the URL. For example: fetching a specific user filtering results searching da
May 1, 20263 min read
What is Middleware in Express and How It Works
As your backend grows, handling requests is not just about sending responses. Before a request reaches your route handler, you often need to: log information check authentication validate data Yo
May 1, 20264 min read1
Setting Up Your First Node.js Application Step-by-Step
So far in this series, you’ve understood how Node.js works internally. You know about its single-threaded nature, non-blocking behavior, and the event loop. Now it’s time to actually use it. This is w
Apr 29, 20263 min read3
Handling File Uploads in Express with Multer
In real-world applications, users don’t just send text data. They upload files. Profile pictures, documents, PDFs, images — these are all part of modern applications. Handling file uploads is not stra
Apr 29, 20263 min read1