Answer & Solution
Answer: Option B
Solution:
The .when() method is used to handle multiple AJAX requests or asynchronous operations concurrently.
Q
What is the benefit of using the .when() method in jQuery?
Related Questions on Average
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 purpose of caching jQuery selectors?
A). To reduce memory usage
B). To improve readability
C). To improve performance
D). To reduce code length
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 AJAX requests for better performance?
A). Use synchronous requests
B). Use POST method for all requests
C). Minimize data transferred
D). Avoid using AJAX
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
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 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 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
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