How can you optimize the performance of event handlers?

What is the benefit of using the .when() method in jQuery?

A). To handle a single AJAX request

B). To handle multiple AJAX requests concurrently

C). To handle DOM manipulations

D). To handle event delegation

What is event delegation?

A). Binding events to each child element

B). Binding events to a parent element

C). Using inline event handlers

D). Using anonymous functions

What jQuery method is used for event delegation?

A). .on()

B). .off()

C). .click()

D). .bind()

What is the fastest jQuery selector?

A). Class selector

B). ID selector

C). Tag selector

D). Attribute selector

How does event delegation improve performance?

A). By using fewer event handlers

B). By using more event handlers

C). By attaching handlers directly to elements

D). By avoiding event handling

How can you batch DOM changes to improve performance?

A). Use .addClass() and .removeClass()

B). Use document fragments

C). Use inline styles

D). Use .hide() and .show()

Which method detaches elements from the DOM in jQuery?

A). .remove()

B). .hide()

C). .detach()

D). .append()

What is the purpose of caching jQuery selectors?

A). To reduce memory usage

B). To improve readability

C). To improve performance

D). To reduce code length

How can you create a promise in jQuery?

A). Using the .then() method

B). Using the .done() method

C). Using the .promise() method

D). Using the .fail() method

What is the best practice for handling frequent events like scroll or resize?

A). Use .off() to remove handlers

B). Use inline event handlers

C). Use debounce or throttle

D). Use .bind() method