Answer & Solution
Answer: Option B
Solution:
Multiple callbacks can be attached to a jQuery promise using multiple done() methods, each attaching a separate callback function.
Q
How do you attach multiple callbacks to a jQuery promise?
Related Questions on Average
Which jQuery method is used to handle both success and failure cases of a promise?
A). done()
B). fail()
C). always()
D). then()
Which method is used to delegate an event handler in jQuery?
A). .on()
B). .delegate()
C). .bind()
D). .attach()
Which jQuery method is used to chain multiple asynchronous operations?
A). done()
B). fail()
C). then()
D). always()
Which method is used to define custom validation rules in jQuery?
A). validateRule()
B). addRule()
C). addMethod()
D). validateMethod()
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 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
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 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 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 is event delegation in jQuery?
A). Attaching event handlers to dynamically created elements
B). Attaching event handlers to static elements
C). Attaching event handlers to parent elements
D). Attaching event handlers to all elements