Using Promises with Browser APIs

Question

Explain how to effectively use Promises when working with browser APIs such as Fetch API or WebSocket. Discuss potential pitfalls and best practices.

Accepted Answer

1. Use 'then' and 'catch' to handle success and error cases while chaining multiple API calls.
2. Consider using 'Promise.all' for parallel requests to optimize loading time.
3. Avoid callback hell by leveraging Promises to keep your code clean and maintainable.
4. Be cautious of unhandled rejections – always attach a catch handler.

Using Promises with Browser APIs

Answer