How to properly handle rejected promises in TypeScript

Asynchronous programming in JavaScript and TypeScript has progressed from callbacks to promises and observables. Promises provide improved error handling and code organization for asynchronous operations. The article discusses managing promise rejections, retrying failed promises, and using typed result objects for predictability. It also covers error handling in observable chains, emphasizing the importance of catching errors. These techniques help developers create more robust asynchronous code in modern web applications.