Front-end development, also known as client-side development, is the practice of building the user interface (UI) of a website or web application. Front-end developers are responsible for the look, feel, and functionality of the UI, and they work closely with designers to turn design mockups into functional, interactive interfaces.
Front-end developers need to have a strong understanding of web design principles, as well as the technical skills to build and maintain websites and web applications. They also need to be familiar with current web standards and best practices and be able to test and troubleshoot their work to ensure that it is compatible with different web browsers and devices.
Overall, front-end development is a crucial part of building a successful website or web application, as it is responsible for creating the interface that users interact with and determining the overall user experience.