<body>
<div id="collapseFour" class="accordion-body collapse">
<div class="accordion-inner">
<div class="datagrid divscrollable ">
<span>Input Page Design</span>
<table id="tblClaimedbyOthers">
<thead>
<tr>
<th class="iconth" width="300px">
<button id="btn" type="button" class="btnmergecell imgClass2" style="float: left">Click Here</button>
<span class="col-center">User</span>
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<div class="newscrollClaim ">
<table class="datagrid" id="tbluser">
<thead>
<tr>
<th>
Column A
</th>
<th>
Column B
</th>
<th>
Column C
</th>
</tr>
</thead>
<tbody>
<tr id="1">
<td valign="top">
<div class="dsbColBgColor">
<span class="label">David </span>
</div>
<div class="dsbColBgColor">
<span class="label">Daniel </span>
</div>
<div class="dsbColBgColor">
<span class="label">Robin </span>
</div>
</td>
<td valign="top">
<div class="dsbColBgColor">
<span class="label">David</span>
</div>
<div class="dsbColBgColor">
<span class="label">Rose</span>
</div>
</td>
<td valign="top">
<div class="dsbColBgColor">
<span class="label">Daniel </span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</td>
</tr>
</tbody>
</table>
<span>Output Page Design</span>
<table id="tblClaimedbyOthers">
<thead>
<tr>
<th class="iconth" width="300px">
<span class="col-center">User</span>
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<div class="newscrollClaim ">
<table class="datagrid">
<thead>
<tr>
<th>
3[6]
</th>
</tr>
</thead>
</table>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</body>
在这个HTML页面中，我想点击按钮id（btn）上的事件，并且有输出。 我想在下面提到它需要它
在这个html页面中，我想计算特定表id（tbluser）中的所有列数和行数，有三列A，B，C和
我想计算3列中的总列数和行数[6] 如何在jquery中工作？