JavaScript实现关闭小广告特效：删除与隐藏节点详解

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
 <style>
  #box{
   height: 200px;
   width: 200px;
   position: relative;
   display: inline-block;
  }
  #box>#icon{
   height: 100%;
   width: 100%;
  }
  div>img:nth-child(2){
   height: 30px;
   width: 30px;
   position: absolute;
   top: 0;
   right: 0;
   cursor: pointer;
  }
 </style>
</head>
<body>
<div id="box">
 <img id="icon" src="images/阿鲁20.gif" alt="">
 <img id="close" src="images/删除.png" alt="">
</div>
<script>
 window.onload = function (ev) {
  // 1. 获取关闭标签
  var close = document.querySelector('#close');
  // 2. 接听点击
  close.onclick = function (ev1) {
   // 直接删除
   // this.parentElement.remove();
   // this.parentNode.remove();
   //隐藏
   this.parentElement.style.display = 'none';
   // this.parentElement.setAttribute('style','display:none');
  }
 }
</script>
</body>
</html>