Q
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); });

Answer & Solution

Answer: Option A
Solution:
This jQuery code adds smooth scrolling to anchor links, providing a smoother transition between sections of a webpage when an anchor link is clicked.
Related Questions on Average

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

How can jQuery be used to handle touch events on mobile devices?

A). By using .on('swipeleft') and .on('swiperight')

B). By using .click() and .hover()

C). By using .resize() and .load()

D). By using .submit() and .change()

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

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 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

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

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

How can jQuery be used to make forms more responsive?

A). By disabling form fields

B). By dynamically validating fields and providing feedback based on viewport size

C). By increasing the number of form fields

D). By reducing form accessibility

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 event is useful for creating swipe gestures on touch devices?

A). .click()

B). .hover()

C). .swipe()

D). .keypress()