JS实现数据动态渲染的竖向步骤条

本文实例为大家分享了JS实现数据动态渲染竖向步骤条的具体代码，供大家参考，具体内容如下

实现以下效果：

运用的知识点主要是html的伪元素。然后步骤条通过js动态渲染。最后一条数据的状态颜色状态为高亮状态。
直接上代码

html部分：

<ul class="progress_box">
  </ul>

css部分：

 * {
    margin: 0;
    padding: 0;
  }

  ul {
    width: 360px;
    margin:100px auto;
  }

  li {
    position: relative;
    padding: 0 21px;
    list-style: none;
    height: 54px;
    border-left: 1px solid #4BACFD;
  }

  li:before {
    content: "";
    display: block;
    position: absolute;
    /* margin-left: -6px; */
    top: 0;
    left: -5px;
    width: 10px;
    height: 10px;
    /* line-height: 22px; */
    text-align: center;
    background: #4BACFD;
    /* color: #fff; */
    /* font-size: 14px; */
    border-radius: 50%;
  }
  .last_progress{
    border: none;
  }
  .last_progress::before{
    content: "●";
    display: table-cell;
    position: absolute;
    vertical-align: middle;
    /* margin-left: -6px; */
    /* top: 0; */
    left: -6px;
    width: 14px;
    height: 14px;
    line-height: 11.5px;
    text-align: center;
    background: rgba(75, 172, 253, .3);
    color: #4BACFD;
    font-size: 18px;
    border-radius: 50%;
  }
  .progress_content{
    position: absolute;
    top: -4px;
  }
  .progress_title{
    font-size: 15px;
    color: #222;
    font-weight: 600;
    margin-bottom: 3px;
  }
  .progress_time{
    color: #999999;
    font-size: 12px;
  }
  .active{
    color: #2BA0FF;
  }

JS部分:

 var progressList = [
      {'progress_title':'无感支付签约成功','progress_time':'2020.06.10 09:00'},
      {'progress_title':'提额申请提交成功，银行审核中。','progress_time':'2020.06.10 10:00'},
      {'progress_title':'提额审核通过，提额额度xxxx元。','progress_time':'2020.06.10 10:05'},
      {'progress_title':'提额成功，当前可用额度为10000元','progress_time':'2020.06.10 10:05'}
    ]
    function renderProgress(progressList){
      var progressBox = document.querySelector('.progress_box');
      console.log(progressBox)
      console.log(progressList);
      var progressTemplate = ''
      for(var i = 0; i < progressList.length; i ++){
        if(i == progressList.length - 1){
        progressTemplate += "<li class='last_progress'><div class='progress_content'><p class='progress_title active'>"+progressList[i].progress_title+"</p><p class='progress_time'>"+progressList[i].progress_time+"</p> </div></li>"
        }else{
        progressTemplate += "<li><div class='progress_content'><p class='progress_title'>"+progressList[i].progress_title+"</p><p class='progress_time'>"+progressList[i].progress_time+"</p> </div></li>"
        }
      }
      progressBox.innerHTML = progressTemplate
    }
renderProgress(progressList)

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