Expand/Collapse Widget Demo

HyperText Markup Language

HTML is the standard markup language for creating web pages. It provides the structure and content of websites using a system of tags and elements.

Cascading Style Sheets

CSS allows you to style and layout web pages with separation of concerns:

• Consistent styling across multiple pages
• Easier maintenance and updates
• Better separation of content and presentation
• Responsive and adaptive designs

Dynamic Web Pages

JavaScript enables interactive features on web pages including:

• Event handling and user interactions
• DOM manipulation
• Asynchronous operations
• Client-side form validation

Industry Standards

Following best practices ensures code quality, maintainability, and performance:

• Write semantic HTML
• Use meaningful variable and class names
• Keep CSS organized and modular
• Test across different browsers and devices
• Optimize images and assets