𝗜 𝗕𝘂𝗶𝗹𝘁 𝗔 𝗠𝗼𝗱𝗲𝗿𝗻 𝗔𝗜 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁

𝗜 𝗕𝘂𝗶𝗹𝘁 𝗔 𝗠𝗼𝗱𝗲𝗿𝗻 𝗔𝗜 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁

Most AI tutorials only show how to call an API. I wanted to build a real application. I used vanilla HTML, CSS, and JavaScript.

The app includes these features:

• Responsive UI
• Dark and Light modes
• Streaming responses
• Markdown rendering
• Syntax highlighting
• Chat history
• Error handling
• GitHub Pages deployment

I used these tools:

• HTML5 and CSS3
• Vanilla JavaScript
• Marked.js
• DOMPurify
• Prism.js
• Google Generative AI SDK

I focused on security. I used DOMPurify to clean AI responses. This prevents security risks.

I focused on user experience. The app streams text as it generates. You get immediate feedback. You do not wait for a loading icon.

I added Prism.js for code blocks. This adds language labels and copy buttons.

I used localStorage for chat history. Your conversations stay after you refresh the page. It is fast and needs no backend.

I added retry logic and error messages. This makes the app stable.

AI projects teach you many skills:

• API integration
• UI design
• State management
• User experience

Build projects like this for your portfolio. It shows you know practical skills.

What feature should I add next?

• Voice input
• File uploads
• Memory

Tell me in the comments.

Source: https://dev.to/codehuntersharath/i-built-a-modern-ai-assistant-using-html-css-and-javascript-4ca8 Optional learning community: https://youtu.be/nbFKG_6DkSE