Which CSS unit is commonly used in fluid grid layouts?
A). Pixels
B). Points
C). Percentages
D). Inches
What does the following CSS media query do: @media (orientation: portrait) { ... }?
A). Applies styles when the device is in landscape mode
B). Applies styles when the device is in portrait mode
C). Applies styles regardless of orientation
D). Applies styles only to desktop devices
Why is it important to adapt layouts based on device orientation?
A). To increase server load
B). To provide an optimal viewing experience in both portrait and landscape modes
C). To restrict content visibility
D). To increase website complexity
How does display: none; help in responsive design?
A). It hides elements from the page completely
B). It makes elements visible only on small screens
C). It resizes elements
D). It changes the background color of elements
What does the $('.menu-toggle').click(function() { $('.menu').slideToggle(); }); code do?
A). Hides the menu permanently
B). Toggles the visibility of the menu with a sliding effect
C). Fixes the menu position
D). Changes the menu color
Why is it important to use $(document).ready(function() { ... }); in jQuery?
A). To ensure the DOM is fully loaded before executing scripts
B). To increase script execution speed
C). To prevent scripts from running
D). To hide content until the user interacts with the page
How can jQuery be used to toggle a navigation menu on small screens?
A). By using .hide() and .show() methods
B). By using .toggleClass() method
C). By using .slideToggle() method
D). By using .fadeIn() method
What are CSS media queries used for?
A). Adding animations to elements
B). Applying styles based on the device characteristics
C). Creating image sliders
D). Defining CSS variables
How can touch events be handled in jQuery for responsive design?
A). By using .hover() method
B). By using .click() method
C). By using .swipe() method
D). By using .resize() method
How can you ensure that a layout adjusts to different screen sizes using CSS?
A). By setting fixed widths
B). By using relative units like percentages and media queries
C). By hiding elements
D). By using absolute positioning