jquery点击获取子元素ID值

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<body>
<li class="category-item">
    <h2> 软件开发
    <span class="glyphicon glyphicon-menu-right" aria-hidden="true"></span>
    </h2>
    <div class="category-item-box">
      <div class="category-dl">
        <dl>
            <dt>
              <h3>应用软件开发</h3>
            </dt>
            <dd>
              <a href="/home/project/index/cid/4053" id="4053">企业软件(ERP)</a>
              <a href="/home/project/index/cid/4054" id="4054">办公自动化OA系统</a>
              <a href="/home/project/index/cid/4055" id="4055">客户关系管理(CRM)</a>
              <a href="/home/project/index/cid/4056" id="4056">CMS系统开发</a>
            </dd>
        </dl>
        <dl>
            <dt>
              <h3>软件插件开发</h3>
            </dt>
            <dd>
              <a href="/home/project/index/cid/4059" id="4059">浏览器插件</a>
              <a href="/home/project/index/cid/4060" id="4060">网站插件</a>
              <a href="/home/project/index/cid/4061" id="4061">播放器插件</a>
              <a href="/home/project/index/cid/4062" id="4062">应用插件</a>
            </dd>
        </dl>     
      </div>
    </div>
  </li>
<script type="text/javascript">
<!--
$(document).ready(function(){

	$(".category-item h2").click(function(){
	var len = $(".category-dl dd").children().size()//获取H2下的a标签个数
	var arr = [];
	for(var index = 0; index < len-1; index++){//创建一个数字数组
	arr[index] = index;
	}
	$.each(arr, function(i){//循环得到不同的id的值
	var idValue = $(".category-dl dd").children().eq(i).attr("id");
	if(idValue != ''){
	alert(idValue);
	}
	});
	});
})




//-->
</script>
</body>
</html>

  

posted @ 2016-02-03 10:10  小林夕  阅读(11734)  评论(1编辑  收藏  举报