Q
What is the purpose of the done() method in jQuery promises?

Answer & Solution

Answer: Option B
Solution:
The done() method is used to handle completed operations, attaching a callback function that is executed when the promise is resolved.
Related Questions on Average

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

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

Which method allows you to specify multiple callbacks for different outcomes of a promise in jQuery?

A). done()

B). fail()

C). always()

D). then()

Which jQuery method is used to chain multiple asynchronous operations?

A). done()

B). fail()

C). then()

D). always()

Which method is used to delegate an event handler in jQuery?

A). .on()

B). .delegate()

C). .bind()

D). .attach()

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 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

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 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