https://techcamppro.com/blog Muhammad Ali (TechCamp Pro) — Full Stack Developer specializing in the MERN stack and Next.js. Building fast, scalable, production-grade web apps. Available for freelance and client work. en https://techcamppro.com/blog/fixing-a-stale-closure-bug-in-a-javascript-timer https://techcamppro.com/blog/fixing-a-stale-closure-bug-in-a-javascript-timer A common React/JS bug where a setInterval keeps using old state — here's the problem, why it happens, and how to fix it. Sat, 11 Jul 2026 10:26:35 GMT https://techcamppro.com/blog/how-to-sum-a-2-num https://techcamppro.com/blog/how-to-sum-a-2-num This solution uses the Factory Function pattern along with Closures. Fri, 10 Jul 2026 15:02:00 GMT