what is frontend code

Frontend code refers to the code that runs on the client-side of a web application, typically in a user’s web browser. It consists of HTML, CSS, and JavaScript, and is responsible for rendering the user interface, styling the elements, and handling user interactions.

Here’s a brief overview of how frontend code works:

HTML (Hypertext Markup Language) provides the structure and content of the web page. It defines the various elements such as headers, paragraphs, and images, and describes how they should be arranged on the page.

CSS (Cascading Style Sheets) provides the styling for the web page, such as fonts, colors, and layouts. It defines the visual appearance of the elements and how they should be displayed on different screen sizes.

JavaScript provides the interactivity for the web page, such as form validation, animations, and handling user input. It allows web developers to create dynamic and responsive web pages that can interact with users in real-time.

To run frontend code, you simply need to load the HTML, CSS, and JavaScript files into a web browser. When the browser loads the HTML file, it parses the structure of the page and creates a Document Object Model (DOM) tree, which represents the various elements and their relationships to each other. The CSS is then applied to the elements, styling them according to the rules defined in the CSS file. Finally, the JavaScript code is executed, allowing for interactivity and dynamic updates to the page.

In summary, frontend code is responsible for creating the user interface, styling it, and adding interactivity. It runs in a web browser and consists of HTML, CSS, and JavaScript files that are loaded and executed by the browser.

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