HTMX

htmx is a lightweight frontend interaction pattern that lets HTML trigger server requests and swap returned fragments into the page. In Brevvie Python + AI — Section 3: Data, Polars & Pair Programming, it powers the interactive dashboard updates.

Role in the source

• a dropdown change triggers a request
• the server returns an updated stats panel
• HTMX swaps the new HTML into the existing page

Why it matters

The source presents HTMX as a simple way to build interactivity without adopting a large client-side framework.