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Web development is the work involved in developing websites for the Internet or an intranet. It can range from developing a simple single static page to complex web applications, electronic businesses, and social network services.

Key areas include:

  • Frontend Development (HTML, CSS, JavaScript)
  • Backend Development (Server-side programming)
  • Database Management
  • Web Design and User Experience

HTML (HyperText Markup Language) is the standard markup language for creating web pages. It provides the structure and content of websites.

To get started, you need:

  • A text editor (VS Code, Sublime Text, etc.)
  • A web browser to test your code
  • Understanding of basic HTML tags
  • Knowledge of semantic HTML structure

CSS (Cascading Style Sheets) is used to style and layout web pages. It allows you to create beautiful and responsive designs.

CSS can be applied in three ways:

  • Inline styles (directly in HTML tags)
  • Internal stylesheets (in the <style> tag)
  • External stylesheets (separate .css files)

Modern CSS includes features like Flexbox, Grid, and CSS Variables for more powerful styling capabilities.

JavaScript is a versatile programming language that runs in web browsers and enables interactive web pages. It's essential for modern web development.

Core concepts include:

  • Variables and Data Types
  • Functions and Scope
  • DOM Manipulation
  • Event Handling
  • Asynchronous Programming (Promises, Async/Await)