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HTML (HyperText Markup Language) is the standard markup language for creating web pages. It provides the structure and content of websites by using a system of tags and elements.

  • Used for creating web page structure
  • Works with CSS for styling
  • Works with JavaScript for interactivity
  • Platform independent

CSS (Cascading Style Sheets) is used to style and layout web pages. It allows you to control colors, fonts, spacing, and positioning of HTML elements.

Key features include:

  • Selectors to target elements
  • Properties to define styles
  • Box model for layout
  • Media queries for responsive design

JavaScript is a versatile programming language that runs in web browsers and enables interactive web experiences. It can manipulate the DOM, handle user events, and communicate with servers.

Common uses:

  • Form validation
  • DOM manipulation
  • Event handling
  • API communication
  • Animation and transitions

Following best practices ensures your code is maintainable, performant, and accessible.

  • Write semantic HTML
  • Keep CSS organized and modular
  • Minimize JavaScript bundle size
  • Test across different browsers
  • Optimize images and assets
  • Ensure accessibility compliance
  • Use version control (Git)