<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>获取标签的父结点和内容</title>
<script>
function click_event(){
var im_content=document.getElementsByClassName(‘talk_time‘);
alert(im_content[0].parentNode); //获取父节点
alert(im_content[0].parentNode.innerHTML); //获取父节点的内容
}
</script>
</head>
<body>
<div class="talk_recordboxmine">
<div class="user" onclick=‘click_event()‘>
<img src="img/taobao.png">11
</div>
<div class="talk_recordtext">
<h3>qqq</h3>
<span class="talk_time" time_date="1531534632009">10:17</span>
</div>
</div>
</body>
</html>原文：http://blog.51cto.com/59465168/2142008