Answer & Solution
Answer: Option D
Solution:
The .detach() method allows for bulk updates by removing elements from the DOM temporarily, reducing reflows.
Q
Which of the following methods improves performance by reducing the number of reflows?
Related Questions on Average
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
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
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
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 minimize DOM manipulation reflows?
A). Use inline styles
B). Use CSS classes
C). Batch DOM changes
D). Avoid using jQuery
What is the fastest jQuery selector?
A). Class selector
B). ID selector
C). Tag selector
D). Attribute selector
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
Which method detaches elements from the DOM in jQuery?
A). .remove()
B). .hide()
C). .detach()
D). .append()
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
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()