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 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
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()
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 fastest jQuery selector?
A). Class selector
B). ID selector
C). Tag selector
D). Attribute selector
What jQuery method is used for event delegation?
A). .on()
B). .off()
C). .click()
D). .bind()
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 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 AJAX requests for better performance?
A). Use synchronous requests
B). Use POST method for all requests
C). Minimize data transferred
D). Avoid using AJAX