17.10. Challenges and Pitfalls

Try these first

1. 1.

   What is Callback Hell?

   Hint

   Think about the nesting of function calls.

2. 2.

   Explain state management in EDP.

   Hint

   Consider how data is shared across components.

3. 3.

   What is the primary issue with Callback Hell?

   • Improved code readability
   • Difficult to maintain
   • Faster execution

   Hint

   Consider how code appearance changes with nesting.

4. 4.

   Is state management necessary in Event-Driven Programming?

   • True
   • False

   Hint

   Think about all the changes an application has.

5. 5.

   Propose a case study where callback hell is evident. Present a solution to refactor the code using Promises or async/await.

   Hint

   Break down each API call and manage responses with async functions.

6. 6.

   Analyze and enhance a JavaScript application struggling with performance due to poor event handler implementation.

   Hint

   Check for synchronous calls within event handlers and propose splitting tasks.