backend development

Node.js and the browser both utilize JavaScript as their programming language. However, there are several key differences that set them apart. This article will explore these differences and highlight how writing JavaScript applications in Node.js differs from programming for the web inside the browser. As a frontend developer who extensively uses JavaScript, one of the significant advantages of Node.js is the ability to program everything, both the frontend and the backend, in a single language....

Learn the fundamentals of JSON Web Tokens (JWT) and discover how to effectively implement them in your applications. JSON Web Token (JWT) is a widely adopted standard for creating access tokens in applications. It provides a secure method for verifying user identities and ensuring the integrity of data exchanged between the client and server. What is JWT and How Does it Work? JWT operates by generating a token on the server, certifying the user’s identity, and sending this token to the client....

Uploading files and processing them in the backend is a common functionality in web applications, such as uploading avatars or attachments. In this article, we will learn how to upload files to the server using JavaScript. Uploading Files Client-Side To enable file upload functionality in our web app, we start by adding an HTML file input element: <input type="file" id="fileUpload" /> Next, we register a change handler on the #fileUpload DOM element....

Discover the incredible capabilities of Next.js API routes to effortlessly create API endpoints within your Next.js application. In addition to serving web pages as page routes, Next.js provides the ability to create API routes. This powerful feature allows Next.js to act as both the frontend and backend, facilitating seamless data storage and retrieval through JSON fetch requests. API routes are located within the /pages/api/ folder and are mapped to the /api endpoint....