Which of the following methods improves performance by reducing the number of reflows?
A). .html()
B). .text()
C). .css()
D). .detach()
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
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
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 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 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 advantage of using native JavaScript methods over jQuery methods?
A). Better readability
B). Better browser compatibility
C). Improved performance
D). Easier to use
What jQuery method is used for event delegation?
A). .on()
B). .off()
C). .click()
D). .bind()
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 the purpose of caching jQuery selectors?
A). To reduce memory usage
B). To improve readability
C). To improve performance
D). To reduce code length