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
Which jQuery method is used to chain multiple asynchronous operations?
A). done()
B). fail()
C). then()
D). always()
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 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
Which method is used to define custom validation rules in jQuery?
A). validateRule()
B). addRule()
C). addMethod()
D). validateMethod()
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 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
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
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()