How can keyframe animations contribute to creating interactive user interfaces?
A). <div>By reducing visual appeal and engagement.
B). <div>By adding dynamic and engaging effects to elements.
C). <div>By making elements static and unchanging.
D). <div>By increasing page loading times.
How does the animation-fill-mode property impact the appearance of elements before and after a keyframe animation?
A). <div>It defines the starting and ending states of the animation.
B). <div>It specifies the number of times the animation should repeat.
C). <div>It controls the direction of the animation.
D). <div>It defines how the element's styles should be applied before and after the animation.
What is the purpose of the animation-duration property in CSS keyframe animations?
A). <div>To specify the number of times the animation should repeat.
B). <div>To define the starting and ending states of the animation.
C). <div>To specify the total duration of the animation.
D). <div>To control the easing function of the animation.
How can developers optimize the performance of keyframe animations?
A). <div>By adding multiple simultaneous animations.
B). <div>By using heavy images and video backgrounds.
C). <div>By avoiding excessive animations and optimizing code.
D). <div>By removing all transitions from the website.
What role does the @keyframes rule play in defining keyframe animations?
A). <div>It specifies the duration of the animation.
B). <div>It defines the starting and ending states of the animation.
C). <div>It controls the direction of the animation.
D). <div>It specifies the keyframes and style changes along the animation timeline.
What is the primary purpose of using keyframe animations in web development?
A). <div>To create static and unchanging elements.
B). <div>To add dynamic and complex animations to elements.
C). <div>To reduce visual appeal and engagement.
D). <div>To increase page loading times.
How does using multiple simultaneous animations impact the performance of a webpage?
A). <div>It improves page loading times.
B). <div>It has no impact on page performance.
C). <div>It may lead to increased complexity and slower performance.
D). <div>It reduces visual appeal and engagement.
What is the purpose of defining multiple keyframes in a keyframe animation?
A). <div>To reduce the complexity of the animation.
B). <div>To specify the total duration of the animation.
C). <div>To control the direction of the animation.
D). <div>To create varied style changes and movements at different stages of the animation.
How does using the animation-timing-function property impact the appearance of CSS transitions?
A). <div>It changes the duration of the transition effect.
B). <div>It specifies the number of times the transition should repeat.
C). <div>It controls the acceleration/deceleration of the transition.
D). <div>It defines the direction of the transition effect.
How does the animation-delay property impact the timing of a keyframe animation?
A). <div>It specifies the total duration of the animation.
B). <div>It controls when the animation starts after being triggered.
C). <div>It defines the starting and ending states of the animation.
D). <div>It changes the direction of the animation.