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
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 jQuery method is used for event delegation?
A). .on()
B). .off()
C). .click()
D). .bind()
Which of the following methods improves performance by reducing the number of reflows?
A). .html()
B). .text()
C). .css()
D). .detach()
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 delay the loading of images to improve performance?
A). Use the .load() method
B). Use a lazy load plugin
C). Use the .ready() method
D). Use inline styles
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 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
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 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