Which jQuery event is useful for creating swipe gestures on touch devices?
A). .click()
B). .hover()
C). .swipe()
D). .keypress()
Which jQuery method is used to detect changes in the viewport size?
A). .change()
B). .resize()
C). .scroll()
D). .toggle()
How does jQuery help in optimizing images for responsive design?
A). By resizing images on the server
B). By dynamically loading different images based on viewport size
C). By reducing image quality
D). By increasing image dimensions
Why is it important to handle touch events in responsive web design?
A). To increase server load
B). To enhance user experience on touch devices
C). To restrict access to desktop users
D). To decrease website loading speed
What does the following jQuery code do: $(window).resize(function() { if($(window).width() < 768) { $('.menu').hide(); } else { $('.menu').show(); } });
A). Hides the menu for larger screens
B). Shows the menu for smaller screens
C). Hides the menu for screens smaller than 768px and shows it for larger screens
D). Shows the menu for screens smaller than 768px and hides it for larger screens
How can jQuery be used to handle touch events on mobile devices?
A). By using .on('swipeleft') and .on('swiperight')
B). By using .click() and .hover()
C). By using .resize() and .load()
D). By using .submit() and .change()
How can jQuery enhance navigation menus in responsive design?
A). By hiding menus permanently
B). By creating dynamic show/hide functionality based on viewport size
C). By increasing menu complexity
D). By restricting menu items
What does the following jQuery code achieve: $('img').each(function() { var src = $(this).attr('src'); if($(window).width() < 768) { $(this).attr('src', src.replace('large', 'small')); } });
A). Increases image sizes for smaller screens
B). Replaces image sources with smaller versions for screens smaller than 768px
C). Removes all images from the page
D). Changes image sources randomly
What does the following jQuery code do: $('a[href*='#']').on('click', function(event) { event.preventDefault(); $('html, body').animate({ scrollTop: $($.attr(this, 'href')).offset().top }, 500); });
A). Adds smooth scrolling to anchor links
B). Prevents all anchor links from working
C). Adds a delay to all anchor links
D). Disables smooth scrolling for anchor links
Why should images be optimized for different devices in responsive web design?
A). To improve loading times and performance
B). To decrease image quality
C). To increase server load
D). To restrict image visibility