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
Which jQuery method is used to change the source of an image dynamically?
A). .attr()
B). .html()
C). .css()
D). .val()
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
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
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
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
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 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
Which CSS unit is commonly used in fluid grid layouts?
A). Pixels
B). Points
C). Percentages
D). Inches