问题

我有一个下面的功能,我想只触发一个复选框在同一个tr被选中.请告诉我我做错了什么,通常的方法不工作.感谢

JS

$(".add_menu_item_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_menu_button"></div>');
    var showDiv = $('<div id="show'+ "0" + numShow++ +'" class="menu_button_info hidden"></div>');
    var toggleTrigger = $('<a id="toggleshow'+ "0" + numToggle++ +'" data-target="#show'+ "0" + numTarget++ +'" class="toggle_trigger actions">&nbsp;</a><div style="padding:5px"></div>');
    var menuForm = $('<form id="menu_edit_form'+ "0" + numForm++ +'" class="menu_creation_form"></form>');
    $('#created_buttons_list').append(
        newDiv.text(value_td));
        newDiv.wrap("<li></li>");
        newDiv.append(toggleTrigger);
        newDiv.append(showDiv);
        showDiv.append(menuForm);
        menuForm.html('<label for="navigation_label">Navigation Label</label><input id="navigation_label'+ "0" + numLabelone++ +'" type="text" placeholder="Navigation Label" name="navigation_label"><label for="attribute">Attribute</label><input id="attribute'+ "0" + numLabeltwo++ +'" type="text" type="text" placeholder="Attribute" name="attribute"><label for="url">URL</label><input id="url'+ "0" + numLabelthree++ +'" type="text" type="text" placeholder="URL" name="url"><input type="button" value="Remove" class="button_link remove_button"> <input type="reset" value="Cancel" class="button_link">');
}
});

var numToggle = 0;
var numShow = 0;
var numTarget = 0;
var numForm = 0;
var numLabelone = 0;
var numLabeltwo = 0;
var numLabelthree = 0;

HTML

<table width="316px" border="0" cellspacing="0" cellpadding="0" id="table-data">
                  <tbody>
                  <tr>
                    <td width="20px"><input type="checkbox" style="width:20px;" value="1" name="checkbox"></td>
                    <td width="200px"><a href="/admin/feedbackmanager/sortby/2/sortdesc/0">Page Name</a></td>
                    <td width="20px"><a href="/admin/feedbackmanager/sortby/3/sortdesc/0">Add</a></td>
                  </tr>
                  <tr>
                    <td><input type="checkbox" style="width:20px;" value="1" name="checkbox" class="checkbox_check"></td>
                    <td class="td_name">Timeplot</td>
                    <td><input class="add_menu_item_table" name="add_menu_item" value="Add" type="button"></td>
                  </tr>
                  <tr>
                    <td><input type="checkbox" style="width:20px;" value="1" name="checkbox" class="checkbox_check"></td>
                    <td class="td_name">Operations Manuals</td>
                    <td><input class="add_menu_item_table" name="add_menu_item" value="Add" type="button"></td>
                  </tr>
                  <tr>
                    <td><input type="checkbox" style="width:20px;" value="1" name="checkbox" class="checkbox_check"></td>
                    <td class="td_name">Company Structure</td>
                    <td><input class="add_menu_item_table" name="add_menu_item" value="Add" type="button"></td>
                  </tr>
                  <tr>
                    <td><input type="checkbox" style="width:20px;" value="1" name="checkbox" class="checkbox_check"></td>
                    <td class="td_name">CMS Report</td>
                    <td><input class="add_menu_item_table" name="add_menu_item" value="Add" type="button"></td>
                  </tr>
                  <tr>
                    <td><input type="checkbox" style="width:20px;" value="1" name="checkbox" class="checkbox_check"></td>
                    <td class="td_name">Test Document</td>
                    <td><input class="add_menu_item_table" name="add_menu_item" value="Add" type="button"></td>
                  </tr>
                  <tr>
                    <td><input type="checkbox" style="width:20px;" value="1" name="checkbox" class="checkbox_check"></td>
                    <td class="td_name">Test CMS page</td>
                    <td><input class="add_menu_item_table" name="add_menu_item" value="Add" type="button"></td>
                  </tr>
                  </tbody>
                  </table>


解决方法
if ($('input.checkbox_check').is(':checked')) {



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