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

Answer & Solution

Answer: Option D
Solution:
The .detach() method allows for bulk updates by removing elements from the DOM temporarily, reducing reflows.
Related Questions on Average

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 advantage of using native JavaScript methods over jQuery methods?

A). Better readability

B). Better browser compatibility

C). Improved performance

D). Easier to use

What jQuery method is used for event delegation?

A). .on()

B). .off()

C). .click()

D). .bind()

How can you minimize DOM manipulation reflows?

A). Use inline styles

B). Use CSS classes

C). Batch DOM changes

D). Avoid using jQuery

Which method detaches elements from the DOM in jQuery?

A). .remove()

B). .hide()

C). .detach()

D). .append()

What is the fastest jQuery selector?

A). Class selector

B). ID selector

C). Tag selector

D). Attribute selector

How can you optimize the performance of event handlers?

A). By using the .bind() method

B). By using the .live() method

C). By using event delegation

D). By using inline event handlers

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

A). Use the .load() method

B). Use a lazy load plugin

C). Use the .ready() method

D). Use inline styles

What is the purpose of the debounce function?

A). To improve animation performance

B). To limit the rate at which a function is executed

C). To improve event handling

D). To batch DOM changes

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