Chaining promises allows you to perform sequential asynchronous operations where each step depends on the previous one’s result. As the creator of CoreUI, a widely used open-source UI library, I’ve chained promises extensively for multi-step data processing, authentication flows, and complex API interactions. From my expertise, promise chaining with .then() methods provides a clean alternative to nested callbacks while maintaining readable code flow. This approach ensures operations execute in the correct order while handling errors gracefully.