Q
What jQuery method is used for event delegation?

Answer & Solution

Answer: Option A
Solution:
The .on() method is used for event delegation.
Related Questions on Average

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

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

What is event delegation?

A). Binding events to each child element

B). Binding events to a parent element

C). Using inline event handlers

D). Using anonymous functions

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()

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

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

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

A). .html()

B). .text()

C). .css()

D). .detach()

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

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