JS 或者 JQ 的问题 解决就行

Question

            <ul id="follow">
                <asp:MvcRepeater runat="server" DataKey="info">
                <ItemTemplate>
            <li><div class="date"><%#Eval("InsertTime")%></div>
                        <span><%#Eval("NoteContent")%>(<span class="fred">2条反馈信息</span>)</span><a id="content" href="/followup?id=<%#Eval("NoteID") %>">[查看详情]</a>
                    </li>
                    </ItemTemplate>
       </asp:MvcRepeater>                </ul>
想统计出LI 的数量 可行吗？

Answer 1

$("#follow").length() 这个不行么？

Answer 2

写错了
$("#follow li").length

Answer 3

var count=document.getElementsByTagName(li).length;

Answer 4

var count=document.getElementsByTagName("li").length;