How can jQuery complement CSS3 media queries in responsive design?

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

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 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

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

A). .change()

B). .resize()

C). .scroll()

D). .toggle()

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

What is a common use of jQuery in responsive web forms?

A). To restrict form submissions

B). To dynamically validate form fields based on viewport size

C). To increase form complexity

D). To reduce form functionality

Which jQuery event is triggered when the window is resized?

A). .resize()

B). .change()

C). .load()

D). .click()

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

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