Questions

4 of 10

1Explain what closures are and provide a practical example.

2Why are closures important in JavaScript?

3What is the problem of creating closures inside loops?

4What are some practical use cases of closures?

5How do closures enable event handling

6How do closures enable Callbacks

7How do closures enable Data encapsulation/ Data Privacy

8How do closures enable memoization

9How do closures enable partial application and currying

10How do closures work at the engine level?

04 / 10

What are some practical use cases of closures?

Here are some use cases of closures in JavaScript:

1
Currying
2
Partial Function
3
Memoisation
4
Data encapsulation/ Data Privacy
5
Event Handlers
6
Function Factories
7
Iterator
8
Callback Functions