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
What does the .on('click', function) method in jQuery do?
A). Attaches a click event handler to selected elements
B). Hides selected elements
C). Changes the background color of selected elements
D). Resizes selected elements
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
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
Which CSS unit is commonly used in fluid grid layouts?
A). Pixels
B). Points
C). Percentages
D). Inches
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
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
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
How can you ensure that text resizes appropriately on different devices?
A). By using fixed font sizes
B). By using relative units like em or rem
C). By using larger font sizes for all elements
D). By limiting text to a certain width
What is the purpose of using $(window).resize() in jQuery?
A). To detect when the window is resized and execute a function
B). To detect mouse clicks
C). To load new content
D). To change the CSS of an element