Quick JavaScript Crash Course - Modern and Advanced JavaScript - Promises-all Settled-vs-all

The lecture introduces promises in JavaScript, focusing on the Promise.allSettled method introduced in ES2020. It explains how promises work, including creating, resolving, and rejecting them. The lecture also compares Promise.allSettled with Promise.all, highlighting their differences in handling multiple promises. Practical examples demonstrate how these methods manage asynchronous operations, emphasizing the importance of handling both resolved and rejected states.

What is the role of the 'then' method in promises?

How does the 'catch' block function in promise handling?

What are the two keys present in the object returned by 'Promise.allSettled'?

In what scenarios would you prefer using 'Promise.allSettled' over 'Promise.all'?