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Introduction to HTML5

HTML5 is the latest major version of HTML, designed to improve the language with support for the latest multimedia, while keeping it easily readable by humans and consistently understood by computers and devices.

What is HTML5?

HTML5 is a markup language used for structuring and presenting content on the web. It introduced new elements, attributes, and APIs for better functionality and user experience.

Key Features of HTML5

  • New semantic elements: <header>, <footer>, <article>, <section>
  • Support for audio and video: <audio>, <video>
  • Improved form controls and validation
  • Canvas and SVG support for drawing and graphics
  • APIs like Geolocation, Web Storage, and Drag-and-Drop

Doctype Declaration

HTML5 simplifies the doctype declaration to a single line:


<!DOCTYPE html>
            

Browser Support

All modern browsers (Chrome, Firefox, Safari, Edge, Opera) support HTML5 features. It's backward compatible, meaning older HTML versions still work in HTML5 documents.