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

Which method is used to define custom validation rules in jQuery?

A). validateRule()

B). addRule()

C). addMethod()

D). validateMethod()

Which jQuery method is used to chain multiple asynchronous operations?

A). done()

B). fail()

C). then()

D). always()

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

A). .on()

B). .delegate()

C). .bind()

D). .attach()

How does event delegation handle dynamically added elements?

A). By re-attaching event handlers

B). By attaching event handlers to the parent element

C). By using the .bind() method

D). By using the .on() method with a selector

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()

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

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

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 multiple callbacks for different outcomes of a promise in jQuery?

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