RR7018A SARDINIA: THE END OF NEGLECT

The video provides an introduction to promises in programming, explaining their purpose and usage.

What is the primary purpose of a promise in programming?

• To create user interfaces

• To handle synchronous operations

• To manage asynchronous operations

• To store data permanently

Which of the following is NOT a state of a promise?

• Pending

• Cancelled

• Fulfilled

• Rejected

What is the final state of a promise once it is resolved?

• Fulfilled

• Pending

• Cancelled

• Rejected

Which method is used to execute code after a promise is fulfilled?

• .then()

• .catch()

• .finally()

• .execute()

In which scenario would you most likely use a promise?

• To print a document

• To calculate a sum

• To sort an array

• To fetch data from a server

What is a common mistake when using promises?

• Using too many promises

• Ignoring promise chaining

• Using promises for synchronous code

• Not handling errors properly

Which practice is recommended when working with promises?

• Chain promises for better readability

• Use promises only in small projects

• Always use callbacks instead

• Avoid using promises altogether

How can you handle errors in promises?

• Using a .catch() method

• Using a finally block

• Using a try-catch block

• Ignoring them

What should you do if a promise is rejected?

• Retry the operation

• Log it to the console

• Ignore it

• Handle it using .catch()

What is the benefit of using promises over callbacks?

• Promises use less memory

• Promises are more secure

• Promises are easier to read and maintain

• Promises are faster