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 method is used to define custom validation rules in jQuery?
A). validateRule()
B). addRule()
C). addMethod()
D). validateMethod()
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
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 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
What is the purpose of the done() method in jQuery promises?
A). To handle failed operations
B). To handle completed operations
C). To handle pending operations
D). To create a new deferred object
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 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 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 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