CSS Exit Animation

With the development of web applications, users’ requirements for the interactive experience of web pages are getting higher and higher. As a type of animation effect on a web page, a fade-out animation can attract users’ attention and enhance the user experience through lively and smooth animations. CSS fade-out animations allow developers to use CSS3 properties and effects to achieve a variety of transition effects. This article will detail how to implement various transition effects using CSS3.

1. Fade-out Animation

A fade-out animation is a common transition effect that causes an element to gradually disappear from the page. The CSS opacity property controls the transparency of an element. We can achieve a fade-out animation using transition effects. Here’s a simple example code for a fade-out animation:

@keyframes fadeOut {
from { opacity: 1; }
to { opacity: 0; }
}

.fade-out {
animation-name: fadeOut;
animation-duration: 1s;
animation-timing-function: ease-out;
animation-fill-mode: forwards;
}

In the example code above, @keyframes is used to define the animation fadeOut, where from and to represent the states at which the animation begins and ends, respectively. .fade-out is the class name of the element to which the animation is applied. By setting animation-name to fadeOut, animation-duration to 1 second, and animation-timing-function to ease-out, we can achieve a simple fade-out animation.

2. Scale Out

Scale out animation is a transitional animation effect created by scaling an element. The CSS transform property controls the scaling, rotation, and translation of an element. The following is a simple example code for a scale-out animation:

@keyframes scaleOut { 
from { transform: scale(1); } 
to { transform: scale(0); } 
} 

.scale-out { 
animation-name: scaleOut; 
animation-duration: 1s; 
animation-timing-function: ease-out; 
animation-fill-mode: forwards; 
} 

In the example code above, @keyframes is used to define the animation scaleOut, from and to represent the states at the start and end of the animation, respectively. .scale-out is the class name of the element to which the animation is applied. By setting animation-name to scaleOut, animation-duration to 1 second, and animation-timing-function to ease-out, we can create a simple scale-out animation.

3. Slide Out

A slide-out animation is a transition animation that changes the position of an element. The CSS transform property controls the element’s displacement. The following is a simple example code for a sliding exit animation:

@keyframes slideOut { 
from { transform: translateX(0); opacity: 1; } 
to { transform: translateX(100px); opacity: 0; } 
} 

.slide-out { 
animation-name: slideOut; 
animation-duration: 1s; 
animation-timing-function: ease-out; 
animation-fill-mode: forwards; 
} 

In the above example code, @keyframes is used to define the animation slideOut, from and to represent the states at the start and end of the animation, respectively. .slide-out is the class name of the element to which the animation is applied. By setting animation-name to slideOut, animation-duration to 1 second, and animation-timing-function to ease-out, we can create a simple sliding exit animation.

4. Rotate Out

A rotate exit animation is a transition animation created by changing the rotation angle of an element. The CSS transform property controls the element’s rotation. The following is a sample code for a simple rotating exit animation:

@keyframes rotateOut { 
from { transform: rotate(0); opacity: 1; } 
to { transform: rotate(360deg); opacity: 0; }
}

.rotate-out {
animation-name: rotateOut;
animation-duration: 1s;
animation-timing-function: ease-out;
animation-fill-mode: forwards;
}

In the example code above, @keyframes is used to define the animation rotateOut, from and to represent the animation’s start and end states, respectively. .rotate-out is the class name of the element to which the animation is applied. By setting animation-name to rotateOut, animation-duration to 1 second, and animation-timing-function to ease-out, we can achieve a simple rotating exit animation effect.

5. Other Common Exit Animation Effects

In addition to the exit animation effects described above, CSS offers many other common exit animation effects, such as folding exit, bouncing exit, and flipping exit. These effects are implemented similarly; simply adjust the corresponding CSS properties. The following is an example code for a folding/leaving animation:

@keyframes foldOut {
from { height: 100px; }
to { height: 0; }
}

.fold-out {
animation-name: foldOut;
animation-duration: 1s;
animation-timing-function: ease-out;
animation-fill-mode: forwards;
}

In the example code above, @keyframes is used to define the animation foldOut, from and to represent the states at the start and end of the animation, respectively. .fold-out is the class name of the element to which the animation is applied. By setting animation-name to foldOut, animation-duration to 1 second, and animation-timing-function to ease-out, we can achieve a simple folding and exiting animation effect.

Conclusion

Using various CSS properties and effects, we can create a variety of exit animation effects. This article introduces some common exit animation effects and provides sample code for implementing them. Developers can adjust CSS properties and animation parameters to meet specific needs and design requirements, creating richer and more diverse exit animation effects and enhancing the user experience.