【问题标题】:display duplicate values when checked two binding checkbox选中两个绑定复选框时显示重复值
【发布时间】:2018-08-09 07:00:49
【问题描述】:
我的两个同步复选框在选中时显示重复值,如何解决?我只想显示每个复选框的一个值
看演示
http://jsfiddle.net/HvKmE/1127/
似乎需要更多的词来提问......
$('[type="checkbox"]').on('change', function() {
var selector = $(this).data('selector');
$('[data-selector="' + selector + '"]').prop("checked", this.checked);
});
$(':checkbox').on('change', function() {
var values = $(':checkbox:checked').map(function() {
return this.value;
}).get().join(',');
$('p').html(values);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div id="CS-popup" class="popup-windows ">
<input type="checkbox" name="CS" value="GMSC01" data-selector="GMSC01BOX-1">GMSC01
<input type="checkbox" name="CS" value="GMSC02" data-selector="GMSC02BOX-1">GMSC02
<input type="checkbox" name="CS" value="VMSC01" data-selector="VMSC01BOX-1">VMSC01
<br>
<input type="checkbox" name="CS" value="VMSC02" data-selector="VMSC02BOX-1">VMSC02
<input type="checkbox" name="CS" value="GMGW01" data-selector="GMGW01BOX-1">GMGW01
<input type="checkbox" name="CS" value="GMGW02" data-selector="GMGW02BOX-1">GMGW02
<br>
<input type="checkbox" name="CS" value="VMGW01" data-selector="VMGW01BOX-1">VMGW01
<input type="checkbox" name="CS" value="VMGW02" data-selector="VMGW02BOX-1">VMGW02
<input type="checkbox" name="CS" value="SPS01" data-selector="SPS01BOX-1">SPS01
<br>
</div>
<div>
<TD class="col-ne col-CS">
<INPUT name="cf_ne015" type="checkbox" data-selector="GMSC01BOX-1" value="GMSC01">
</TD>
<TD class="col-ne col-CS">
<INPUT name="cf_ne016" type="checkbox" data-selector="GMSC02BOX-1" value="GMSC02">
</TD>
<TD class="col-ne col-CS">
<INPUT name="cf_ne017" type="checkbox" data-selector="VMSC01BOX-1" value="VMSC01">
</TD>
<TD class="col-ne col-CS">
<INPUT name="cf_ne018" type="checkbox" data-selector="VMSC02BOX-1" value="VMSC02">
</TD>
<TD class="col-ne col-CS">
<INPUT name="cf_ne019" type="checkbox" data-selector="GMGW01BOX-1" value="GMGW01">
</TD1 <TD class="col-ne col-CS">
<INPUT name="cf_ne020" type="checkbox" data-selector="GMGW02BOX-1" value="GMGW02">
</TD>
<TD class="col-ne col-CS">
<INPUT name="cf_ne021" type="checkbox" data-selector="VMGW01BOX-1" value="VMGW01">
</TD>
<TD class="col-ne col-CS">
<INPUT name="cf_ne022" type="checkbox" data-selector="VMGW02BOX-1" value="VMGW02">
</TD>
<TD class="col-ne col-CS">
<INPUT name="cf_ne023" type="checkbox" data-selector="SPS01BOX-1" value="SPS01">
<p></p>
【问题讨论】:
标签:
javascript
jquery
html
frontend
【解决方案1】:
首先请注意,您不需要两个单独的change 事件处理程序。它们都指向相同的元素,因此您可以将它们组合起来。
其次,您的 HTML 无效,因为您不能将 td 元素作为 div 的子元素。它需要包含在 table、tbody 和 tr 中。 p 元素也需要移出table。您还应该将复选框及其关联的文本节点包装在 label 元素中,以增加它们的点击区域,这是对您的用户的礼貌。
要解决出现重复值的问题,只需使:checkbox 选择器更具体;将其限制为 #CS-popup 元素,例如:
var values = $('#CS-popup :checkbox:checked').map(function() ...
这是一个完整的工作示例,已更正了 JS 和 HTML:
$(':checkbox').on('change', function() {
var selector = $(this).data('selector');
$('[data-selector="' + selector + '"]').prop("checked", this.checked);
var values = $('#CS-popup :checkbox:checked').map(function() {
return this.value;
}).get().join(',');
$('p').html(values);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div id="CS-popup" class="popup-windows ">
<label>
<input type="checkbox" name="CS" value="GMSC01" data-selector="GMSC01BOX-1" />
GMSC01
</label>
<label>
<input type="checkbox" name="CS" value="GMSC02" data-selector="GMSC02BOX-1" />
GMSC02
</label>
<label>
<input type="checkbox" name="CS" value="VMSC01" data-selector="VMSC01BOX-1" />
VMSC01
</label><br />
<label>
<input type="checkbox" name="CS" value="VMSC02" data-selector="VMSC02BOX-1">
VMSC02
<label>
<input type="checkbox" name="CS" value="GMGW01" data-selector="GMGW01BOX-1" />
GMGW01
<label>
<input type="checkbox" name="CS" value="GMGW02" data-selector="GMGW02BOX-1" />
GMGW02
</label><br />
<label>
<input type="checkbox" name="CS" value="VMGW01" data-selector="VMGW01BOX-1" />
VMGW01
</label>
<label>
<input type="checkbox" name="CS" value="VMGW02" data-selector="VMGW02BOX-1" />
VMGW02
</label>
<label>
<input type="checkbox" name="CS" value="SPS01" data-selector="SPS01BOX-1" />
SPS01
</label><br />
</div>
<div>
<table>
<tbody>
<tr>
<td class="col-ne col-CS">
<input name="cf_ne015" type="checkbox" data-selector="GMSC01BOX-1" value="GMSC01" />
</td>
<td class="col-ne col-CS">
<input name="cf_ne016" type="checkbox" data-selector="GMSC02BOX-1" value="GMSC02" />
</td>
<td class="col-ne col-CS">
<input name="cf_ne017" type="checkbox" data-selector="VMSC01BOX-1" value="VMSC01" />
</td>
<td class="col-ne col-CS">
<input name="cf_ne018" type="checkbox" data-selector="VMSC02BOX-1" value="VMSC02" />
</td>
<td class="col-ne col-CS">
<input name="cf_ne019" type="checkbox" data-selector="GMGW01BOX-1" value="GMGW01" />
</td>
<td class="col-ne col-CS">
<input name="cf_ne020" type="checkbox" data-selector="GMGW02BOX-1" value="GMGW02" />
</td>
<td class="col-ne col-CS">
<input name="cf_ne021" type="checkbox" data-selector="VMGW01BOX-1" value="VMGW01" />
</td>
<td class="col-ne col-CS">
<input name="cf_ne022" type="checkbox" data-selector="VMGW02BOX-1" value="VMGW02" />
</td>
<td class="col-ne col-CS">
<input name="cf_ne023" type="checkbox" data-selector="SPS01BOX-1" value="SPS01" />
</td>
</tr>
</tbody>
</table>
</div>
<p></p>