代码示例:(标识:jsck_node_parentelement_hide)
<!DOCTYPE html>
<html>
<head>
<style>
div {
  box-sizing: border-box;
  padding: 16px;
  width: 100%;
  background-color: red;
  color: #fff;
}
.closebtn {
  float: right;
  font-size: 30px;
  font-weight: bold;
  cursor: pointer;
}
.closebtn:hover {
  color: #000;
}
</style>
</head>
<body>

<div>
  <span onclick="this.parentElement.style.display = 'none';" class="closebtn">&times;</span>
  <p>如需关闭此容器,请单击右侧的 X 符号。</p>
</div>

</body>
</html>
运行结果: