Problem Statement: Outline the steps involved when a user submits a login form on a website, demonstrating the interaction between the Frontend (Client) and Backend (Server).

Problem Statement: Using the three core web languages, create a styled button that changes text when clicked, manipulating the Document Object Model (DOM).

Problem Statement: Design the standard REST API endpoints (URL paths and HTTP methods) necessary to perform full CRUD operations on a resource called "Articles" for a blogging platform.

Problem Statement: Using HTML, CSS, and JavaScript, create a button that displays a number. Every time the user clicks the button, the number should increase by 1, demonstrating client-side state management and DOM manipulation.