What does "frontend" mean in programming?
frontend is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
The part of a web application that runs in the user's browser: the HTML, CSS, and JavaScript that the user sees and interacts with. Frontend developers build the user interface and handle user events, API calls, and client-side state. Common frontend frameworks: React, Vue, Angular.
Example
"The bug is on the frontend — the form submits correctly but the validation error message is not displayed to the user."
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