Q
How can you minimize DOM manipulation reflows?

Answer & Solution

Answer: Option C
Solution:
Batching DOM changes reduces the number of reflows and repaints.
Related Questions on Average

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 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

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

A). .html()

B). .text()

C). .css()

D). .detach()

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 advantage of using native JavaScript methods over jQuery methods?

A). Better readability

B). Better browser compatibility

C). Improved performance

D). Easier to use

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

What is the effect of using the .append() method inside a loop without caching?

A). Improved readability

B). Improved performance

C). Increased DOM manipulations

D). Reduced memory usage

How can you cache AJAX responses in jQuery?

A). By setting cache: false

B). By setting cache: true

C). By using the .promise() method

D). By using the .then() method

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

Which method detaches elements from the DOM in jQuery?

A). .remove()

B). .hide()

C). .detach()

D). .append()