Answer & Solution
Answer: Option B
Solution:
Event delegation involves binding events to a parent element to handle events for current and future child elements.
Q
What is event delegation?
Related Questions on Average
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
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
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()
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
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()
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