How can jQuery be used to load different image sizes based on the viewport?

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 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 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

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

A). .fadeIn()

B). .slideUp()

C). .animate()

D). .hide()

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

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: $('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 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 method is used to detect changes in the viewport size?

A). .change()

B). .resize()

C). .scroll()

D). .toggle()