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

Answer & Solution

Answer: Option C
Solution:
jQuery can dynamically change the image src attribute based on the viewport size to load different image sizes, optimizing performance for different devices.
Related Questions on Average

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 method is used to detect changes in the viewport size?

A). .change()

B). .resize()

C). .scroll()

D). .toggle()

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 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 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 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

Which jQuery event is triggered when the window is resized?

A). .resize()

B). .change()

C). .load()

D). .click()

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

A). .fadeIn()

B). .slideUp()

C). .animate()

D). .hide()

How can jQuery enhance navigation menus in responsive design?

A). By hiding menus permanently

B). By creating dynamic show/hide functionality based on viewport size

C). By increasing menu complexity

D). By restricting menu items

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