Answer & Solution
Answer: Option C
Solution:
.detach() removes elements from the DOM but keeps their data and events, useful for bulk updates.
Q
Which method detaches elements from the DOM in jQuery?
Related Questions on Average
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 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
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D). Reduced memory usage
What jQuery method is used for event delegation?
A). .on()
B). .off()
C). .click()
D). .bind()
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 delay the loading of images to improve performance?
A). Use the .load() method
B). Use a lazy load plugin
C). Use the .ready() method
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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 batch DOM changes to improve performance?
A). Use .addClass() and .removeClass()
B). Use document fragments
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D). Use .hide() and .show()
How does event delegation improve performance?
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B). By using more event handlers
C). By attaching handlers directly to elements
D). By avoiding event handling
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