小编典典
使用CSS @keyframes
.elementToFadeInAndOut {
opacity: 1;
animation: fade 2s linear;
}
@keyframes fade {
0%,100% { opacity: 0 }
50% { opacity: 1 }
}
这是一个演示
.elementToFadeInAndOut {
width:200px;
height: 200px;
background: red;
-webkit-animation: fadeinout 4s linear forwards;
animation: fadeinout 4s linear forwards;
}
@-webkit-keyframes fadeinout {
0%,100% { opacity: 0; }
50% { opacity: 1; }
}
@keyframes fadeinout {
0%,100% { opacity: 0; }
50% { opacity: 1; }
}
阅读:使用CSS动画
您可以通过执行以下操作清除代码:
.elementToFadeInAndOut {
width:200px;
height: 200px;
background: red;
-webkit-animation: fadeinout 4s linear forwards;
animation: fadeinout 4s linear forwards;
opacity: 0;
}
@-webkit-keyframes fadeinout {
50% { opacity: 1; }
}
@keyframes fadeinout {
50% { opacity: 1; }
}
-05-16