js 获取所有被选中复选框的值

注：所有复选框必须name 相同

<tr>
    <td>
        <input type="checkbox" checked="checked" id="checkAllworkshopOverview"
        name="checkWorkshopOverviewItem" value="ck_overview">
          车间总览
    </td>
    <td>
        <div class="group-item">
            <input type="checkbox" checked="checked" name="checkWorkshopOverviewItem"
            value="presentStatusDetail">
            <span class="priv" id="company-index">
                当前状态详情
            </span>
        </div>
        <div class="group-item">
            <input type="checkbox" checked="checked" name="checkWorkshopOverviewItem"
            value="historyStatusBut">
            <span class="priv" id="company-browse">
                历史状态详情
            </span>
        </div>
        <div class="group-item">
            <input type="checkbox" checked="checked" name="checkWorkshopOverviewItem"
            value="historyQualityBut">
            <span class="priv" id="company-browse">
                历史质量详情
            </span>
        </div>
    </td>
</tr>

var strgetSelectValue;
var getSelectValueMenbers = $("input[name='checkWorkshopOverviewItem']:checked").each(function(j) {

    if (j >= 0) {
        strgetSelectValue += $(this).val() + ","

    }
});