Jquery根据id获取该id下子元素的值

雨点打透心脏的1/2处 2022-12-25 12:54 134阅读 0赞

<div class="form-group">
        <div id="putPageA">
            <label for="action"
                   class="col-sm-3 col-md-3 col-lg-3 control-label">菜单动作：<code>*</code></label>
            <div class="col-sm-6 col-md-6 col-lg-6">
                <select class="form-control" id="action" name="action">
                    <option value="产品分类"
                            <c:if test='${model.action== "产品分类"}'>selected</c:if> >产品分类
                    </option>
                    <option value="限时抢购"
                            <c:if test='${model.action== "限时抢购"}'>selected</c:if> >限时抢购
                    </option>
                   
                </select>
            </div>
        </div>
    <div>
    
    
    
    var action = $("#putPageA").find("[name='action']").val();

$("#Aobj_2_2").children("span").text();

$("#Aobj_2_2").children("i").attr("title");

[jquery点击获取子元素ID值][jquery_ID]

<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>
    
    
    
    $(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);
            }
        });
    
    })

[jquery_ID]: https://www.cnblogs.com/xiaolinxi/p/5179086.html