<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
*,
*:before,
*:after {
box-sizing: border-box;
outline: none;
}
body {
background: #57c3ea;
font: 14px/1 'Open Sans', helvetica, sans-serif;
-webkit-font-smoothing: antialiased;
}
.box {
height: 280px;
width: 280px;
position: absolute;
top: 50%;
left: 50%;
-webkit-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
background: #a0a0a0;
border-radius: 100%;
overflow: hidden;
}
.box .percent {
position: absolute;
left: 0;
top: 0;
z-index: 3;
width: 100%;
height: 100%;
display: flex;
display: -webkit-flex;
align-items: center;
justify-content: center;
color: #fff;
font-size: 64px;
}
.box .water {
position: absolute;
left: 0;
top: 0;
z-index: 2;
width: 100%;
height: 100%;
-webkit-transform: translate(0, 100%);
transform: translate(0, 100%);
background: #266fff;
transition: all 0.3s;
}
.box .water_wave {
width: 200%;
position: absolute;
bottom: 100%;
}
.box .water_wave_back {
right: 0;
fill: #c7eeff;
-webkit-animation: wave-back 1.4s infinite linear;
animation: wave-back 1.4s infinite linear;
}
.box .water_wave_front {
left: 0;
fill: #266fff;
margin-bottom: -1px;
-webkit-animation: wave-front 0.7s infinite linear;
animation: wave-front 0.7s infinite linear;
}
@-webkit-keyframes wave-front {
100% {
-webkit-transform: translate(-50%, 0);
transform: translate(-50%, 0);
}
}
@keyframes wave-front {
100% {
-webkit-transform: translate(-50%, 0);
transform: translate(-50%, 0);
}
}
@-webkit-keyframes wave-back {
100% {
-webkit-transform: translate(50%, 0);
transform: translate(50%, 0);
}
}
@keyframes wave-back {
100% {
-webkit-transform: translate(50%, 0);
transform: translate(50%, 0);
}
}
</style>
</head>
<body>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" style="display: none">
<symbol id="wave">
<path
d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z"
></path>
<path
d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z"
></path>
<path
d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z"
></path>
<path
d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z"
></path>
</symbol>
</svg>
<div class="box">
<div class="percent">
<div class="percentNum" id="count">0</div>
<div class="percentB">%</div>
</div>
<div id="water" class="water">
<svg viewBox="0 0 560 20" class="water_wave water_wave_back">
<use xlink:href="#wave"></use>
</svg>
<svg viewBox="0 0 560 20" class="water_wave water_wave_front">
<use xlink:href="#wave"></use>
</svg>
</div>
</div>
<script>
var cnt = document.getElementById('count')
var water = document.getElementById('water')
var percent = cnt.innerText
var interval
interval = setInterval(function () {
percent++
cnt.innerHTML = percent
water.style.transform = 'translate(0' + ',' + (100 - percent) + '%)'
if (percent == 100) {
clearInterval(interval)
}
}, 60)
</script>
</body>
</html>
