What does the fail() method do in jQuery promises?

How can you reject a deferred object in jQuery?

A). Using the reject() method

B). Using the resolve() method

C). Using the done() method

D). Using the always() method

Which method allows you to specify multiple callbacks for different outcomes of a promise in jQuery?

A). done()

B). fail()

C). always()

D). then()

How do you attach multiple callbacks to a jQuery promise?

A). Using multiple then() methods

B). Using multiple done() methods

C). Using multiple fail() methods

D). Using multiple always() methods

What does the promise() method return in jQuery?

A). A new deferred object

B). A new promise object

C). A new callback function

D). A new event handler

Which method is used to delegate an event handler in jQuery?

A). .on()

B). .delegate()

C). .bind()

D). .attach()

What is a deferred object in jQuery?

A). An object that stores HTML elements

B). An object that represents a task that will finish in the future

C). An object that handles CSS styles

D). An object that manages event listeners

How can event delegation improve performance?

A). By reducing the number of event handlers

B). By increasing the number of event handlers

C). By attaching handlers directly to elements

D). By using inline event handlers

How can you ensure that a callback runs only once, even if the promise is resolved multiple times?

A). Using the done() method

B). Using the fail() method

C). Using the once() method

D). Using the then() method

What is the purpose of the done() method in jQuery promises?

A). To handle failed operations

B). To handle completed operations

C). To handle pending operations

D). To create a new deferred object

How can you handle errors in an asynchronous operation in jQuery?

A). Using the done() method

B). Using the fail() method

C). Using the always() method

D). Using the then() method