I Built a Drag-and-Drop Kanban Board with Vanilla JavaScript

<p>A teammate pings you: the drag-and-drop on the Kanban board doesn't work. You can pick a card up — it goes translucent, follows the cursor, everything looks right — but

<p>Every time I debugged a deeply nested API response, I scrolled. I counted brackets. I lost my place. After the third or fourth time of doing this for the same Stripe webhook, I