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 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 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
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
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
Which method allows you to specify multiple callbacks for different outcomes of a promise in jQuery?
A). done()
B). fail()
C). always()
D). then()
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 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 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