Which jQuery method is used to chain multiple asynchronous operations?

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

A). .on()

B). .delegate()

C). .bind()

D). .attach()

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

How can you create a promise from a deferred object in jQuery?

A). Using the promise() method

B). Using the then() method

C). Using the done() method

D). Using the fail() method

Which method allows you to specify a callback that is executed regardless of the promise's outcome?

A). done()

B). fail()

C). always()

D). then()

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 developers handle multiple asynchronous operations concurrently in jQuery?

A). Using the done() method

B). Using the when() method

C). Using the fail() method

D). Using the always() method

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

What is a promise in jQuery?

A). An object that represents a completed task

B). An object that represents a pending task

C). An object that represents an asynchronous operation

D). An object that represents a synchronous operation

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 jQuery method is used to handle both success and failure cases of a promise?

A). done()

B). fail()

C). always()

D). then()