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 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 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
What does the fail() method do in jQuery promises?
A). Attaches a callback for when the promise is rejected
B). Attaches a callback for when the promise is resolved
C). Attaches a callback for when the promise is pending
D). Attaches a callback for when the promise is created
Which jQuery method is used to handle both success and failure cases of a promise?
A). done()
B). fail()
C). always()
D). then()
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
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
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
Which method is used to define custom validation rules in jQuery?
A). validateRule()
B). addRule()
C). addMethod()
D). validateMethod()
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