当动画可见时，我如何启动它？
当动画可见时，我如何启动它？
提问于 2019-08-26 11:42:13
.responsive {
width:200px;
float:left;
margin-top: 750px;
margin-bottom: 750px;
}
.st0 {
fill: #ffffff;
}
.st1 {
fill: none;
stroke: #afafaf;
stroke-width: 4;
stroke-miterlimit: 10;
}
.st2 {
fill: #ffffff;
stroke: #afafaf;
stroke-width: 4;
stroke-miterlimit: 10;
}
.st3 {
fill: none;
stroke: #2646ff;
stroke-width: 7;
stroke-linecap: round;
stroke-linejoin: round;
stroke-miterlimit: 10;
}
#responsive .st3 {
stroke-dasharray: 1932;
stroke-dashoffset: 0;
animation: responsive 4s ease-in-out 0s;
animation-direction: reverse;
}
@keyframes responsive {
to {
stroke-dashoffset: 1932;
}
}<div class="responsive">
<svg
version="1.1"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
x="0px"
y="0px"
viewBox="0 0 1200 780"
style="enable-background:new 0 0 1200 780;"
xml:space="preserve"
>
<g id="Layer_1"></g>
<g id="Layer_6">
<g>
<g>
<path
class="st0"
d="M1198,772.2c0,2.8-2.2,5-5,5H7c-2.8,0-5-2.2-5-5V36.6c0-2.8,2.2-5,5-5h1186c2.8,0,5,2.2,5,5V772.2z"
/>
<path
class="st1"
d="M1198,772.2c0,2.8-2.2,5-5,5H7c-2.8,0-5-2.2-5-5V36.6c0-2.8,2.2-5,5-5h1186c2.8,0,5,2.2,5,5V772.2z"
/>
</g>
<line class="st1" x1="2" y1="688.2" x2="1198" y2="688.2" />
<ellipse class="st2" cx="559.9" cy="732.7" rx="16.9" ry="16.7" />
</g>
</g>
<g id="Layer_5">
<g>
<g>
<path
class="st0"
d="M1127.3,771.9c0,2.8-2.2,5-5,5H631.5c-2.8,0-5-2.2-5-5V194.2c0-2.8,2.2-5,5-5h490.8c2.8,0,5,2.2,5,5V771.9z"
/>
<path
class="st1"
d="M1127.3,771.9c0,2.8-2.2,5-5,5H631.5c-2.8,0-5-2.2-5-5V194.2c0-2.8,2.2-5,5-5h490.8c2.8,0,5,2.2,5,5V771.9z"
/>
</g>
<line class="st1" x1="626.5" y1="715.5" x2="1127.3" y2="715.5" />
</g>
</g>
<g id="Layer_4">
<g>
<g>
<path
class="st0"
d="M1198,771.9c0,2.8-2.2,5-5,5H976.8c-2.8,0-5-2.2-5-5V352.1c0-2.8,2.2-5,5-5H1193c2.8,0,5,2.2,5,5V771.9z"
/>
<path
class="st1"
d="M1198,771.9c0,2.8-2.2,5-5,5H976.8c-2.8,0-5-2.2-5-5V352.1c0-2.8,2.2-5,5-5H1193c2.8,0,5,2.2,5,5V771.9z"
/>
</g>
<line class="st1" x1="971.8" y1="732" x2="1198" y2="732" />
</g>
</g>
<g id="responsive">
<g>
<path
class="st3"
d="M2,35.9L2,772.2 C2,775 4.2,777.2 7,777.2 L1194.1,777.2"
/>
</g>
</g>
</svg>
</div>
在片段中向下滚动以查看svg +动画.
当svg (动画)在视图中时，我想启动这个动画。我该怎么做？我遇到了很多javascript代码，但问题是，不同类型的类都太复杂了。我只是想先启动动画一次，然后将它保持在结束状态(所以不要循环或其他什么)。
我给了部分.responsive一些边缘顶部和底部，通常在白色区域之间有内容。
回答 1
Stack Overflow用户
回答已采纳
发布于 2019-08-26 12:02:46
如果您想要一个简单的解决方案，然后是WOW.js是您的选择:)步骤为您的svg添加动画：
- 如插件文档中所述，安装wow.js。
- 将
wow类名添加到动画包装器中，然后在
.animated #responsive .st3 {
stroke-dasharray: 1932;
stroke-dashoffset: 0;
animation: responsive 4s ease-in-out 0s;
animation-direction: reverse;
}
- 这是您的wow.js init应该是什么样的示例:)
wow = new WOW(
{
boxClass: 'wow', // add this className to animation wrapper
animateClass: 'animated', // class added by lib, when your item are in view
offset: 0, // number of px before item appear on screen and animation starts
mobile: true, // default
live: true // `true` if you add items on page dynamically
}
)
wow.init();
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/57657278
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