How can jQuery complement CSS3 media queries in responsive design?

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

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

A). .click()

B). .hover()

C). .swipe()

D). .keypress()

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()

Which jQuery method can be used to animate smooth scrolling for anchor links?

A). .fadeIn()

B). .slideUp()

C). .animate()

D). .hide()

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

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

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 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

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