The cure for callback hell — and a cleaner way to handle things that take time. In the last article, we talked about callbacks and saw how they can spiral into deeply nested, hard-to-read code — the infamous "Pyramid of Doom." If you've ever looked at five levels of indented callbacks and thought "there has to be a better way," you're right. There is. Promises are that better way. They take the same asynchronous operations — fetching data, reading files, waiting for timers — and give you a flat, readable chain instead of a nested pyramid. Same results, dramatically better code. When I first encountered Promises in the ChaiCode Web Dev Cohort 2026, I'll be honest — the concept felt abstract. "A future value?" "Pending, fulfilled, rejected?" But once I wrote a few .then() chains and compared them to the callback versions, the improvement was so obvious I never wanted to go back. Let me show you. What Problem Do Promises Solve? Let's start with the pain.…