如果选中复选框,则jQuery

下面有一个函数,我只想在选中同一tr中的复选框时触发。请告诉我我做错了什么,通常的方法不起作用。谢谢

JS

$(“.add\u menu\u item\u table”).live('click',function()){
var value_td=$(this.parents('tr').find('td.td_name').text();
if($('input.checkbox_check').attr(':checked')){
var newDiv=$('<div class=“div\u菜单按钮”></div>');
var showDiv=$('lt;div id=“show'+“0”+numShow++'”class=“menu_button_info hidden”></div>);
var-toggleTrigger=$('lt;a id=“toggleshow'+“0”+numToggle++'”数据目标=“'show'+“0”+numTarget++'”class=“toggle_trigger actions”><a><div style=“padding:5px”></div>);
var menuForm=$('lt;form id=“menu\u edit\u form”+“0”+numForm++'”class=“menu\u creation\u form”></form>);
$(“#创建的_按钮_列表”)。追加(
newDiv.text(值\u td)
);
新部门包装(“<li></li>”);
newDiv.append(切换触发器);
newDiv.append(showDiv);
showDiv.append(菜单格式);
menuForm.html('<label for=“navigation\u label”>navigation label</label><input id=“navigation\u label”+“0”+numLabelone++”type=“text”placeholder=“navigation label”name=“navigation\u label”><label for=“attribute”</label><input id=“attribute”+“0”+numLabeltwo++”type=“text”type=“text”placeholder=“Attribute”name=“Attribute”><label for=“url”</label><input id=“url”+“0”+numLabelthree++”type=“text”type=“text”placeholder=“url”name=“url”><input type=“button”value=“Remove”class=“button链接删除按钮”><input type=“reset”value=“取消”class=“button链接”>
}
});
var numToggle=0;
var numShow=0;
var numTarget=0;
var numForm=0;
var numLabelone=0;
var numLabeltwo=0;
var numLabelthree=0;
<table width=“316px”border=“0”cellspacing=“0”cellpadding=“0”id=“表格数据”>
<t车身>
<tr>
<td width=“20px”&gt&书信电报;输入type=“checkbox”style=“width:20px;”value=“1”name=“checkbox”&gt&lt/td>
<td width=“200px”&gt&书信电报;a href=”https://stackoverflow.com/admin/feedbackmanager/sortby/2/sortdesc/0“>页面名称&lt/a&gt&lt/td>
<td width=“20px”&gt&书信电报;a href=”https://stackoverflow.com/admin/feedbackmanager/sortby/3/sortdesc/0“>添加&lt/a&gt&lt/td>
&lt/tr>
<tr>
<td&gt&书信电报;输入type=“checkbox”style=“width:20px;”value=“1”name=“checkbox”class=“checkbox\u check”&gt&lt/td>
<td class=“td_name”>时间图&lt/td>
<td&gt&书信电报;输入class=“添加菜单项”表格“name=“添加菜单项”value=“添加”type=“按钮”&gt&lt/td>
&lt/tr>
<tr>
<td&gt&书信电报;输入type=“checkbox”style=“width:20px;”value=“1”name=“checkbox”class=“checkbox\u check”&gt&lt/td>
<td class=“td_name”>操作手册&lt/td>
<td&gt&书信电报;输入class=“添加菜单项”表格“name=“添加菜单项”value=“添加”type=“按钮”&gt&lt/td>
&lt/tr>
&lt/t车身>
&lt/表>
如果($('input.checkbox_check')是(':checked')){

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