What is !DOCTYPE html ? | VS Code Setup for Beginners

Опубликовано: 22 Август 2026
на канале: Hellodevs
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Welcome to the first video of the "HelloDevs HTML Series"! 👋

In this video, we'll set up VS Code and understand one of the first things you'll see in every HTML file: !DOCTYPE html.

We'll also see why it's important and use a simple browser experiment to understand what actually happens when it's missing.

📚 In this video:
• Install VS Code
• Create your first HTML file
• Understand !DOCTYPE html
• Learn why it's used
• See the difference between Standards Mode and Quirks Mode

🌐 Practice along with Tag-Web:
https://tag-web.is-cool.dev

If you learned something new, stay tuned for the next lesson. Happy Coding! 💙