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 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: $('.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
Which jQuery event is triggered when the window is resized?
A). .resize()
B). .change()
C). .load()
D). .click()
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()
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
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: $('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
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