활성화된 버튼별로 원하는 줄만 출력하려고 합니다.. 채택완료

</p>

<p>

<table border=1>

<tr class='c1' style='display:none'>

    <td>1-1-1</td><td>1-1-2</td><td>1-1-3</td>

</tr>

<tr class='c1' style='display:none'>

    <td>1-2-1</td><td>1-2-2</td><td>1-2-3</td>

</tr>

<tr class='c2' style='display:none'>

    <td>2-1-1</td><td>2-1-2</td><td>2-1-3</td>

</tr> <tr class='c2' style='display:none'>

    <td>2-2-1</td><td>2-2-2</td><td>2-2-3</td>

</tr>

<tr class='c3' style='display:none'>

    <td>3-1-1</td><td>3-1-2</td><td>3-1-3</td>

</tr> <tr class='c3' style='display:none'>

    <td>3-2-1</td><td>3-2-2</td><td>3-2-3</td>

</tr>

</table>

<button class='btn' showTr='c1'>버튼1</button>

<button class='btn' showTr='c2'>버튼2</button>

<button class='btn' showTr='c3'>버튼3</button></p>

<p><script></p>

<p>$(".btn").click(function(){

    

  var showTr = $(this).attr("showTr");

  $('tr').hide();

  $("."+showTr).show(); // 선택된것만 보이게

});</p>

<p></script></p>

<p>