How can you delay the loading of images to improve performance?

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 of the following methods improves performance by reducing the number of reflows?

A). .html()

B). .text()

C). .css()

D). .detach()

Which method detaches elements from the DOM in jQuery?

A). .remove()

B). .hide()

C). .detach()

D). .append()

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

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

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

How can you optimize AJAX requests for better performance?

A). Use synchronous requests

B). Use POST method for all requests

C). Minimize data transferred

D). Avoid using AJAX

What is the advantage of using native JavaScript methods over jQuery methods?

A). Better readability

B). Better browser compatibility

C). Improved performance

D). Easier to use

Why should you use the latest version of jQuery?

A). To improve compatibility with older browsers

B). To access new features

C). To improve performance and fix bugs

D). To reduce file size

What is the fastest jQuery selector?

A). Class selector

B). ID selector

C). Tag selector

D). Attribute selector