Jquery批量判断是否为空，是否为数字

来源：互联网发布：centos twisted 编辑：程序博客网时间：2024/06/10 12:33
            $(document).ready(function () {                $("#btnSubmit").click(function () {                    return isEmpty("") && isNum();                });            });            //判断是否全部为空            function isEmpty(expression) {                var arry;                if (typeof (expression) == "undefined") {                    arry = $(".isEmpty");                } else {                    arry = $(expression);                }                for (i = 0; i < arry.length; i++) {                    var cur = $(arry[i]);                    if (cur.val() == "") {                        alert(cur.attr("info") + "不能为空！");                        cur.focus();                        return false;                    }                }                return true;            }            //判断是否全是整数            function isNum(expression) {                var arry;                if (typeof (expression) == "undefined") {                    arry = $(".isNumber");                } else {                    arry = $(expression);                }                for (i = 0; i < arry.length; i++) {                    var cur = $(arry[i]);                    if (!/^\d+$/.test(cur.val())) {                        alert(cur.attr("info") + "必须是整数！");                        cur.focus();                        return false;                    }                }                return true;            }