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
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 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
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 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
Which method is used to delegate an event handler in jQuery?
A). .on()
B). .delegate()
C). .bind()
D). .attach()
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 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