check: 获得所有呗选中的checked标签的元素值 mapArrayElement(arrEles)

<script src="../js/myjs/mapArrayElement.js"></script>

    <script type="text/javascript">
        $(function () {
            $(‘#btnBatchDelete‘).click(function () {
                var arrs = $(‘:checkbox[name="chkIds"]:checked‘); //数组元素
                var idStr = mapArrayElement(arrs);

function mapArrayElement(arrs){ //遍历数组元素 获得","拼接元素的值的字符串
    var ids = arrs.map(function () { //值的数组
        return $(this).val();
    });
    var idStr = "";
    for (var i = 0; i < ids.length; i++) {
        idStr += ids[i]+‘,‘;
    }
    idStr = idStr.trim(‘,‘);
    return idStr;
}

 var arrs = $(‘:checkbox[name="chkIds"]:checked‘); //数组元素
                //var ids = arrs.map(function () { //值的数组
                //    return $(this).val();
                //});
                //var idStr = "";
                //for (var i = 0; i < ids.length; i++) {
                //    idStr += ids[i]+‘,‘;
                //}
                //idStr = idStr.trim(‘,‘);