Promises In Javascript - callback hell, async await,.then() & .catch() | Javascript Interview Q&A
Hey guys, here i am with this video about Promises In Javascript. It is one of the core concepts of javascript and it is like the back bone for executing each and every task and deciding the sequence in which it should be executed.
I hope you get a good understanding from this video. If you like it please like and share it and do let me know your feedback in the comment section. Stay tuned and happy learning.. :)
Good Luck,
Sofia Goyal
00:00 Introduction
02:52 What is a Promise?
03:54 States of Promises
05:39 Need of Promises.
06:38 What is callback hell?
09:34 How did we handle async calls before promises?
16:54 How to produce a promise?
17:58 How to consume a promise
25:33 How to consume a promise using async/await?
29:18 Does async function produce a promise?
30:00 Thank you for watching 🙏
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