JavaScript Asynchronous Programming and Callbacks | NonCoderSuccess [Hindi]

JavaScript Asynchronous Programming and Callbacks | NonCoderSuccess [Hindi]

🚀 Welcome to NonCoderSuccess! Let's Dive Deep into Exploring the Depths of Understanding JavaScript Asynchronous Programming and Callbacks with Real-World Examples! 🌟

📚 Materials/References:
JavaScript Asynchronous Programming and Callbacks Blog Article :   / javascript-asynchronous-programming-and-ca...  

🔍 What You'll Learn:
1. What is Asynchronous Programming – Tasks can overlap to save time.
2. JavaScript Asynchronicity – JavaScript is synchronous but supports async features.
3. Callbacks – Functions that run after a task finishes.
4. Callback Hell – Nested callbacks lead to messy, hard-to-read code.
5. Promises – Clean syntax for handling async tasks with .then() and .catch().
6. Async/Await – Makes async code look synchronous and readable.
7. Error Handling – Use try...catch for errors in Promises/Async-Await.
8. Error-First Callbacks – Node.js uses error-first callbacks for error management.

🔽We will cover interview questions below:
1. What is asynchronous programming?
2. How is asynchronous programming different from synchronous programming?
3. Why is JavaScript considered a synchronous, single-threaded language?
4. What is a callback in JavaScript? Provide an example.
5. What is callback hell? How can it be avoided?
6. What are Promises in JavaScript? How do they improve async code?
7. Explain the states of a Promise.
8. How do you handle errors in Promises?
9. What is Async/Await in JavaScript? How does it simplify asynchronous programming?
10. How does try...catch work with Async/Await?
11. What is the difference between callbacks, Promises, and Async/Await?
12. What are error-first callbacks in Node.js? Provide an example.
13. When would you use callbacks over Promises or Async/Await?
14. How does setTimeout work in JavaScript? Is it truly asynchronous?
15. What is the event loop, and how does it enable asynchronous behavior in JavaScript?
16. How would you debug callback hell?
17. How can you convert a callback-based function to return a Promise?
18. What is the difference between .then() and async/await for handling Promises?
19. What happens if you don’t handle errors in an Async/Await function?
20. What are the advantages of Async/Await over Promises?

⏰ Timestamps:
01:32 What is Asynchronous Programming – Tasks can overlap to save time.
05:00 JavaScript Asynchronicity – JavaScript is synchronous but supports async features.
07:09 Callbacks – Functions that run after a task finishes.
09:50 Callback Hell – Nested callbacks lead to messy, hard-to-read code.
11:47 Promises – Clean syntax for handling async tasks with .then() and .catch().
13:23 Async/Await – Makes async code look synchronous and readable.
14:20 Error Handling – Use try...catch for errors in Promises/Async-Await.

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