jquery - 根据滚动位置填充数据属性-6ren

jquery - 根据滚动位置填充数据属性

转载作者：行者123 更新时间：2023-11-28 12:29:39

我正在使用进度圆圈，它使用数据属性来确定圆圈应该填充多远。该属性是一个我想更改的数字。

现在假设圆圈为 50%。一旦用户点击我页面上的某个点(比方说一个 ID)，我希望圆圈一直填充到 100%。这可以通过 jQuery 完成吗？

期待您的回复。

谢谢，杰瑞

.progress-circle {
  background-color: #ddd;
  border-radius: 50%;
  display: inline-block;
  height: 15rem;
  margin: 4rem 2rem 0;
  position: relative;
  width: 15rem;
}
.progress-circle:before {
  align-items: center;
  background-color: #fff;
  border-radius: 50%;
  content: attr(data-progress) '%';
  display: flex;
  font-size: 3rem;
  justify-content: center;
  position: absolute;
  left: 1rem;
  right: 1rem;
  top: 1rem;
  bottom: 1rem;
  transition: -webkit-transform 0.2s ease;
  transition: transform 0.2s ease;
  transition: transform 0.2s ease, -webkit-transform 0.2s ease;
}
.progress-circle:after {
  background-color: #0083ff;
  border-radius: 50%;
  content: '';
  display: inline-block;
  height: 100%;
  width: 100%;
}
.progress-circle:hover:before,
.progress-circle:focus:before {
  -webkit-transform: scale(0.8);
          transform: scale(0.8);
}
/**
* $step is set to 5 by default, meaning you can only use percentage classes in increments of five (e.g. 25, 30, 45, 50, and so on). This helps to reduce the size of the final CSS file. If you need a number that doesn't end in 0 or 5, you can change the text percentage while rounding the class up/down to the nearest 5.
*/
.progress-circle[data-progress="0"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(90deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="1"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(93.6deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="2"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(97.2deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="3"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(100.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="4"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(104.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="5"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(108deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="6"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(111.6deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="7"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(115.2deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="8"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(118.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="9"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(122.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="10"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(126deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="11"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(129.6deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="12"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(133.2deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="13"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(136.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="14"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(140.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="15"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(144deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="16"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(147.6deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="17"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(151.2deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="18"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(154.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="19"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(158.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="20"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(162deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="21"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(165.60000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="22"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(169.2deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="23"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(172.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="24"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(176.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="25"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(180deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="26"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(183.60000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="27"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(187.2deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="28"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(190.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="29"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(194.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="30"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(198deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="31"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(201.60000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="32"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(205.2deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="33"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(208.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="34"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(212.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="35"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(216deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="36"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(219.6deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="37"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(223.20000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="38"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(226.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="39"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(230.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="40"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(234deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="41"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(237.6deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="42"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(241.20000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="43"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(244.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="44"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(248.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="45"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(252deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="46"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(255.6deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="47"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(259.20000000000005deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="48"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(262.8deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="49"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(266.4deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="50"]:after {
  background-image: linear-gradient(-90deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="51"]:after {
  background-image: linear-gradient(-86.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="52"]:after {
  background-image: linear-gradient(-82.8deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="53"]:after {
  background-image: linear-gradient(-79.2deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="54"]:after {
  background-image: linear-gradient(-75.6deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="55"]:after {
  background-image: linear-gradient(-72deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="56"]:after {
  background-image: linear-gradient(-68.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="57"]:after {
  background-image: linear-gradient(-64.8deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="58"]:after {
  background-image: linear-gradient(-61.2deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="59"]:after {
  background-image: linear-gradient(-57.6deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="60"]:after {
  background-image: linear-gradient(-54deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="61"]:after {
  background-image: linear-gradient(-50.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="62"]:after {
  background-image: linear-gradient(-46.8deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="63"]:after {
  background-image: linear-gradient(-43.199999999999996deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="64"]:after {
  background-image: linear-gradient(-39.6deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="65"]:after {
  background-image: linear-gradient(-36deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="66"]:after {
  background-image: linear-gradient(-32.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="67"]:after {
  background-image: linear-gradient(-28.799999999999997deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="68"]:after {
  background-image: linear-gradient(-25.200000000000003deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="69"]:after {
  background-image: linear-gradient(-21.599999999999994deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="70"]:after {
  background-image: linear-gradient(-18deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="71"]:after {
  background-image: linear-gradient(-14.399999999999991deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="72"]:after {
  background-image: linear-gradient(-10.799999999999997deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="73"]:after {
  background-image: linear-gradient(-7.200000000000003deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="74"]:after {
  background-image: linear-gradient(-3.599999999999994deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="75"]:after {
  background-image: linear-gradient(0deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="76"]:after {
  background-image: linear-gradient(3.600000000000009deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="77"]:after {
  background-image: linear-gradient(7.200000000000003deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="78"]:after {
  background-image: linear-gradient(10.799999999999997deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="79"]:after {
  background-image: linear-gradient(14.400000000000006deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="80"]:after {
  background-image: linear-gradient(18deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="81"]:after {
  background-image: linear-gradient(21.60000000000001deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="82"]:after {
  background-image: linear-gradient(25.200000000000003deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="83"]:after {
  background-image: linear-gradient(28.799999999999997deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="84"]:after {
  background-image: linear-gradient(32.400000000000006deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="85"]:after {
  background-image: linear-gradient(36deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="86"]:after {
  background-image: linear-gradient(39.599999999999994deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="87"]:after {
  background-image: linear-gradient(43.20000000000002deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="88"]:after {
  background-image: linear-gradient(46.80000000000001deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="89"]:after {
  background-image: linear-gradient(50.400000000000006deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="90"]:after {
  background-image: linear-gradient(54deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="91"]:after {
  background-image: linear-gradient(57.599999999999994deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="92"]:after {
  background-image: linear-gradient(61.20000000000002deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="93"]:after {
  background-image: linear-gradient(64.80000000000001deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="94"]:after {
  background-image: linear-gradient(68.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="95"]:after {
  background-image: linear-gradient(72deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="96"]:after {
  background-image: linear-gradient(75.6deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="97"]:after {
  background-image: linear-gradient(79.20000000000002deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="98"]:after {
  background-image: linear-gradient(82.80000000000001deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="99"]:after {
  background-image: linear-gradient(86.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}
.progress-circle[data-progress="100"]:after {
  background-image: linear-gradient(90deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

<div class="container">
  <div class="page-header">
    <h1>Pure CSS - Progress Circles  </h1>
    <p>This is a example of progress circles using only Stylus. </p>
  </div>
  <div class="progress-circle" data-progress="10"></div>
  <div class="progress-circle" data-progress="25"></div>
  <div class="progress-circle" data-progress="50"></div>
  <div class="progress-circle" data-progress="75"></div>
  <div class="progress-circle" data-progress="100"></div>
</div>

最佳答案

您正在寻找这样的东西吗？这将确定 scroll position/height offset在 div 内在滚动时更新容器(设置为 overflow: scroll )，然后更新 data attribute的 data-progress与确定的百分比(四舍五入为整数)。一旦到达可滚动的底部 div ，在进度圈上会是100%。取决于可滚动内容的数量 div ，您可能需要调整 CSS height可滚动的大小 div等或更改 JavaScript更好地处理百分比以确保您不会得到不一致的结果。这应该是您需要的一个很好的粗略起点。

$('#content-scroll').scroll(function() {
  var scrollTop = $(this).scrollTop();
  var contentHeight = $(this).height();
  var scrollHeight = $('#add-scroll-height').height();
  var scrollPercent = Math.round((scrollTop / (scrollHeight - contentHeight)) * 100);
  if (scrollPercent > 100) {
    scrollPercent = 100;
  }
  $('.progress-circle').attr('data-progress', scrollPercent);
});

.container {
  height: 300px;
}

.float {
  position: relative;
}

.left {
  float: left;
}

#content-scroll {
  height: 300px;
  overflow: scroll;
  max-height: 300px;
  border: 1px solid blue;
  width: 200px;
}

#add-scroll-height {
  height: 1000px;
  padding: 3px;
}

.progress-circle {
  background-color: #ddd;
  border-radius: 50%;
  display: inline-block;
  height: 15rem;
  margin: 4rem 2rem 0;
  position: relative;
  width: 15rem;
}

.progress-circle:before {
  align-items: center;
  background-color: #fff;
  border-radius: 50%;
  content: attr(data-progress) '%';
  display: flex;
  font-size: 3rem;
  justify-content: center;
  position: absolute;
  left: 1rem;
  right: 1rem;
  top: 1rem;
  bottom: 1rem;
  transition: -webkit-transform 0.2s ease;
  transition: transform 0.2s ease;
  transition: transform 0.2s ease, -webkit-transform 0.2s ease;
}

.progress-circle:after {
  background-color: #0083ff;
  border-radius: 50%;
  content: '';
  display: inline-block;
  height: 100%;
  width: 100%;
}

.progress-circle:hover:before,
.progress-circle:focus:before {
  -webkit-transform: scale(0.8);
  transform: scale(0.8);
}


/**
* $step is set to 5 by default, meaning you can only use percentage classes in increments of five (e.g. 25, 30, 45, 50, and so on). This helps to reduce the size of the final CSS file. If you need a number that doesn't end in 0 or 5, you can change the text percentage while rounding the class up/down to the nearest 5.
*/

.progress-circle[data-progress="0"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(90deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="1"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(93.6deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="2"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(97.2deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="3"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(100.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="4"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(104.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="5"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(108deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="6"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(111.6deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="7"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(115.2deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="8"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(118.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="9"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(122.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="10"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(126deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="11"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(129.6deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="12"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(133.2deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="13"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(136.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="14"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(140.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="15"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(144deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="16"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(147.6deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="17"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(151.2deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="18"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(154.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="19"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(158.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="20"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(162deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="21"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(165.60000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="22"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(169.2deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="23"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(172.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="24"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(176.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="25"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(180deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="26"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(183.60000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="27"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(187.2deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="28"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(190.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="29"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(194.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="30"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(198deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="31"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(201.60000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="32"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(205.2deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="33"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(208.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="34"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(212.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="35"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(216deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="36"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(219.6deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="37"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(223.20000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="38"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(226.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="39"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(230.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="40"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(234deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="41"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(237.6deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="42"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(241.20000000000002deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="43"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(244.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="44"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(248.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="45"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(252deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="46"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(255.6deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="47"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(259.20000000000005deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="48"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(262.8deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="49"]:after {
  background-image: linear-gradient(90deg, #ddd 50%, transparent 50%, transparent), linear-gradient(266.4deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="50"]:after {
  background-image: linear-gradient(-90deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="51"]:after {
  background-image: linear-gradient(-86.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="52"]:after {
  background-image: linear-gradient(-82.8deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="53"]:after {
  background-image: linear-gradient(-79.2deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="54"]:after {
  background-image: linear-gradient(-75.6deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="55"]:after {
  background-image: linear-gradient(-72deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="56"]:after {
  background-image: linear-gradient(-68.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="57"]:after {
  background-image: linear-gradient(-64.8deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="58"]:after {
  background-image: linear-gradient(-61.2deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="59"]:after {
  background-image: linear-gradient(-57.6deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="60"]:after {
  background-image: linear-gradient(-54deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="61"]:after {
  background-image: linear-gradient(-50.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="62"]:after {
  background-image: linear-gradient(-46.8deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="63"]:after {
  background-image: linear-gradient(-43.199999999999996deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="64"]:after {
  background-image: linear-gradient(-39.6deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="65"]:after {
  background-image: linear-gradient(-36deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="66"]:after {
  background-image: linear-gradient(-32.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="67"]:after {
  background-image: linear-gradient(-28.799999999999997deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="68"]:after {
  background-image: linear-gradient(-25.200000000000003deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="69"]:after {
  background-image: linear-gradient(-21.599999999999994deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="70"]:after {
  background-image: linear-gradient(-18deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="71"]:after {
  background-image: linear-gradient(-14.399999999999991deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="72"]:after {
  background-image: linear-gradient(-10.799999999999997deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="73"]:after {
  background-image: linear-gradient(-7.200000000000003deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="74"]:after {
  background-image: linear-gradient(-3.599999999999994deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="75"]:after {
  background-image: linear-gradient(0deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="76"]:after {
  background-image: linear-gradient(3.600000000000009deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="77"]:after {
  background-image: linear-gradient(7.200000000000003deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="78"]:after {
  background-image: linear-gradient(10.799999999999997deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="79"]:after {
  background-image: linear-gradient(14.400000000000006deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="80"]:after {
  background-image: linear-gradient(18deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="81"]:after {
  background-image: linear-gradient(21.60000000000001deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="82"]:after {
  background-image: linear-gradient(25.200000000000003deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="83"]:after {
  background-image: linear-gradient(28.799999999999997deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="84"]:after {
  background-image: linear-gradient(32.400000000000006deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="85"]:after {
  background-image: linear-gradient(36deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="86"]:after {
  background-image: linear-gradient(39.599999999999994deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="87"]:after {
  background-image: linear-gradient(43.20000000000002deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="88"]:after {
  background-image: linear-gradient(46.80000000000001deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="89"]:after {
  background-image: linear-gradient(50.400000000000006deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="90"]:after {
  background-image: linear-gradient(54deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="91"]:after {
  background-image: linear-gradient(57.599999999999994deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="92"]:after {
  background-image: linear-gradient(61.20000000000002deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="93"]:after {
  background-image: linear-gradient(64.80000000000001deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="94"]:after {
  background-image: linear-gradient(68.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="95"]:after {
  background-image: linear-gradient(72deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="96"]:after {
  background-image: linear-gradient(75.6deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="97"]:after {
  background-image: linear-gradient(79.20000000000002deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="98"]:after {
  background-image: linear-gradient(82.80000000000001deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="99"]:after {
  background-image: linear-gradient(86.4deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

.progress-circle[data-progress="100"]:after {
  background-image: linear-gradient(90deg, #0083ff 50%, transparent 50%, transparent), linear-gradient(270deg, #0083ff 50%, #ddd 50%, #ddd);
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="container">
  <div class="float left">
    <div class="progress-circle" data-progress="0"></div>
  </div>
  <div class="float left">
    <div id="content-scroll">
      <div id="add-scroll-height">
        Start scrolling this div....
        <br/><br/> Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent id rutrum quam, ut lobortis neque. Integer fermentum ante vehicula diam fermentum vehicula a nec enim. Fusce efficitur ex ut lorem aliquet aliquam. Integer luctus, ex
        quis imperdiet aliquet, ipsum orci eleifend ex, non scelerisque nunc ligula eget nisi. Suspendisse congue eros elementum tortor volutpat rutrum in eu dui. Cras at iaculis leo. Cras accumsan sapien massa, quis fringilla sem egestas vitae. Sed nec
        feugiat velit. Suspendisse euismod fringilla interdum. Sed aliquet placerat ligula, ut gravida turpis ornare quis. Vivamus eget purus ultricies purus pulvinar sollicitudin quis et ipsum. Donec tincidunt odio posuere molestie laoreet. Nulla in
        justo eget lectus blandit tempus a vitae tortor. Donec id vulputate sem. Sed porta quam id metus sollicitudin, in volutpat arcu laoreet. Vivamus augue sem, semper id interdum congue, convallis ac leo. Sed varius sem ut ante malesuada, eu pulvinar
        lorem ullamcorper. Fusce vel augue nisl. In et est sem. Aliquam aliquet gravida nulla eget varius. Ut placerat sit amet nisl sit amet condimentum. Praesent quis egestas nulla. Donec in lacus id purus sodales condimentum eu vitae felis.
      </div>
    </div>
  </div>
</div>

关于jquery - 根据滚动位置填充数据属性，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/56462824/

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jquery - 根据滚动位置填充数据属性