js实现多张图片延迟加载效果

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <!--做移动端响应式必须加的样式-->
  <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport">
  <title>Document</title>
  <style>
    *{
      margin:0;
      padding:0;
      font-size:14px;
    }
    ul,li{
      list-style:none;
    }
    img{
      display:block;
      border:none;
    }
    /*
      最外层容器不设定宽高的
    */
    .news{
      padding:10px;
    }
    .news li{
      height:60px;
      padding:10px 0;
      border-bottom:1px solid #dedede;
      position:relative;
    }
    .news li > div:nth-child(1){
      position:absolute;
      top:10px;
      left:0;
      width:75px;
      height:60px;
      background:url('img/default.png') no-repeat center center;
      background-size:100% 100%;/*设置背景图片大小*/
    }
    .news li > div:nth-child(1) img{
      width:100%;
      height:100%;
      display:none;
      opacity:0;
    }
    .news li > div:nth-child(2){
      height:60px;
      margin-left:80px;
    }
    .news li > div:nth-child(2) h2{
      height:20px;
      line-height:20px;
      /*实现文字超出隐藏*/
      overflow:hidden;
      text-overflow:ellipsis;
      white-space: nowrap;
    }
    .news li > div:nth-child(2) p{
      line-height:20px;
      font-size:12px;
      color:#ccc;
    }
  </style>
</head>
<body>
  <ul id='news' class='news'>
    <li>
      <div>
        <img src="/UploadFiles/2021-04-02/">

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。