Q
What is the benefit of using the .when() method in jQuery?

Answer & Solution

Answer: Option B
Solution:
The .when() method is used to handle multiple AJAX requests or asynchronous operations concurrently.
Related Questions on Average

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

What jQuery method is used for event delegation?

A). .on()

B). .off()

C). .click()

D). .bind()

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

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

How can you minimize DOM manipulation reflows?

A). Use inline styles

B). Use CSS classes

C). Batch DOM changes

D). Avoid using jQuery

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 advantage of using native JavaScript methods over jQuery methods?

A). Better readability

B). Better browser compatibility

C). Improved performance

D). Easier to use

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

A). .html()

B). .text()

C). .css()

D). .detach()

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 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