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); });

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()

Which jQuery method is used to detect changes in the viewport size?

A). .change()

B). .resize()

C). .scroll()

D). .toggle()

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

Which jQuery event is useful for creating swipe gestures on touch devices?

A). .click()

B). .hover()

C). .swipe()

D). .keypress()

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

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 is the primary goal of responsive web design?

A). To reduce server load

B). To adapt to different screen sizes and devices

C). To increase website loading speed

D). To restrict website access to certain devices

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

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

What is the benefit of using jQuery for smooth scrolling in responsive design?

A). It enhances user experience by providing smoother transitions

B). It increases website load times

C). It restricts scrolling functionality

D). It decreases user engagement