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
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 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 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
Which jQuery method is used to detect changes in the viewport size?
A). .change()
B). .resize()
C). .scroll()
D). .toggle()
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 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 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
Which jQuery event is triggered when the window is resized?
A). .resize()
B). .change()
C). .load()
D). .click()