Javascript中parentNode的用法

时间:2020-12-08 23:16:35
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type="text/javascript">
window.onload = function () {
//取出所有的a标签
var oUl = document.getElementById("ul1");
var aA = oUl.getElementsByTagName("a");
for (var i = 0; i < aA.length; i++) {
//给每个a标签注册事件
aA[i].onclick = function () {
//this是当前元素,parentNode 是单数,因为每个节点,只有一个父节点!有多个子节点
this.parentNode.style.display = "none";
}
}
}
</script>
</head>
<body>
-----------点击“隐藏” 隐藏每行中的文字-----------
<ul id="ul1">
<li>电风扇发<a href="javascript:void(0)">隐藏</a></li>
<li>电松岛枫扇发<a href="javascript:void(0)">隐藏</a></li>
<li>大幅度<a href="javascript:void(0)">隐藏</a></li>
<li>合格后<a href="javascript:void(0)">隐藏</a></li>
<li>的发的发的我<a href="javascript:void(0)">隐藏</a></li>
</ul>
</body>
</html>