How can jQuery complement CSS3 media queries in responsive design?

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 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

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

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 triggered when the window is resized?

A). .resize()

B). .change()

C). .load()

D). .click()

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

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