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
Which jQuery method is used to change the source of an image dynamically?
A). .attr()
B). .html()
C). .css()
D). .val()
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
What is the primary purpose of responsive web design?
A). To make websites load faster
B). To make websites compatible with older browsers
C). To ensure websites render well on various devices and screen sizes
D). To reduce the amount of CSS required
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 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 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 does the max-width property do in responsive design?
A). Sets a fixed width
B). Allows an element to shrink below a specified width
C). Ensures an element does not exceed a specified width
D). Hides an element if it exceeds a certain width
What is the benefit of using smooth scrolling in responsive design?
A). Enhances user experience by providing smoother transitions
B). Increases website load times
C). Prevents users from scrolling
D). Limits the amount of content visible at one time
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