javascript - 小demo:请教怎么做出类似于水滴不断扩张的效果?
黄舟
黄舟 2017-04-17 15:18:52
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drop.timer = setInterval(function(){ drop.style.cssText = `transition:1s; transform:scale(1.4); opacity:0; transform-origin: 150px 150px; `; },500);

现在我能做到的只是完成一次。但是我想要一直往复循环这个过程,从小到大,从清晰到模糊,然后下一次再重复这个步骤,一直不停的循环。有没有好的实现思路,请教大家!谢谢!

黄舟
黄舟

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迷茫

用CSS animation

#drop { width: 300px; height: 300px; border-radius: 300px; border: 1px solid #000; margin: 180px auto 0; transition: 1s; animation: 1s drop infinite; } @keyframes drop { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(1.4); opacity: 0; } }

JS什么的都不需要了

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