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
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
Why is it important to handle viewport orientation changes in responsive design?
A). To increase website loading times
B). To adapt the layout and functionality to different orientations
C). To restrict access to landscape mode
D). To decrease user engagement
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 can jQuery be used to load different image sizes based on the viewport?
A). By using .append()
B). By using .load()
C). By dynamically changing the image src attribute based on viewport size
D). By using .resize() to stretch images
Which jQuery event is triggered when the window is resized?
A). .resize()
B). .change()
C). .load()
D). .click()
What does the following jQuery code do: $('.carousel').on('swipeleft', function() { $(this).carousel('next'); });
A). Enables swipe gestures to navigate the carousel
B). Disables carousel functionality
C). Increases carousel speed
D). Decreases carousel visibility
How can jQuery be used to make forms more responsive?
A). By disabling form fields
B). By dynamically validating fields and providing feedback based on viewport size
C). By increasing the number of form fields
D). By reducing form accessibility
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