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

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

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

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 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

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

How can jQuery complement CSS3 media queries in responsive design?

A). By replacing CSS3 entirely

B). By providing dynamic functionality and interactions

C). By increasing website load times

D). By limiting the use of media queries

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 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 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()