常用JS工具包

 /***********
 *时间辅助类
 ***********/
 var DateHelper = {
     //得到两个时间的差值（天数）
     DateDiff: function (startDate, endDate) {
         var strSeparator = "-"; //日期分隔符
         var oDate1;
         var oDate2;
         var iDays;
         oDate1 = startDate.split(strSeparator);
         oDate2 = endDate.split(strSeparator);
         var strDateS = new Date(oDate1[0], oDate1[1] - 1, oDate1[2]);
         var strDateE = new Date(oDate2[0], oDate2[1] - 1, oDate2[2]);
         iDays = parseInt(Math.abs(strDateS - strDateE) / 1000 / 60 / 60 / 24)//把相差的毫秒数转换为天数
         return iDays;
     },
     //比较时间大小
     DateCompare: function (startDate, endDate) {
         var result = false;
         if (new Date(endDate) > new Date(startDate)) {
             result = true;
         }
         return result;
     }
 };
 /***********
 *常用验证类
 ***********/
 var Validator = {
     // 中文
     isChinese: function (s) {
         var p = /^[\u4e00-\u9fa5]+$/;
         return this.test(s, p);
     },
     // 英文
     isEnglish: function (s) {
         var p = /^[A-Za-z]+$/;
         return this.test(s, p);
     },
     // 邮箱
     isEmail: function (s) {
         var p = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
         return this.test(s, p);
     },

     // 手机号码
     isMobile: function (s) {
         return this.test(s, /(\d{11})|^((\d{7,8})|(\d{4}|\d{3})-(\d{7,8})|(\d{4}|\d{3})-(\d{3,8})-(\d{4}|\d{3}|\d{2}|\d{1})|(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1}))$/);
     },
     // 电话号码
     isPhone: function (s) {
         return this.test(s, /^[0-9]{3,4}\-[0-9]{7,8}$/);
     },
     // 邮编
     isPostCode: function (s) {
         return this.test(s, /^[1-9][0-9]{5}$/);
     },
     // 数字
     isNumber: function (s, d) {
         return !isNaN(s.nodeType == 1 ? s.value : s) && (!d || !this.test(s, '^-?[0-9]*\\.[0-9]*$'));
     },
     // 判断是否为空
     isEmpty: function (s) {
         return jQuery.isEmptyObject(s) || (s == "" ? true : false);
     },
     //判断是否是图片
     isImage: function (s) {
         return this.test(s, /\.(gif|jpg|jpeg|png|GIF|JPG|PNG)$/);
     },
     // 正则匹配
     test: function (s, p) {
         s = s.nodeType == 1 ? s.value : s;
         return new RegExp(p).test(s);
     }
 };

 //去除字符串头尾空格或指定字符
 String.prototype.Trim = function (c) {
     if (c == null || c == "") {
         var str = this.replace(/^s*/, '');
         var rg = /s/;
         var i = str.length;
         while (rg.test(str.charAt(--i)));
         return str.slice(0, i + 1);
     }
     else {
         var rg = new RegExp("^" + c + "*");
         var str = this.replace(rg, '');
         rg = new RegExp(c);
         var i = str.length;
         while (rg.test(str.charAt(--i)));
         return str.slice(0, i + 1);
     }
 }

 //去除字符串头部空格或指定字符
 String.prototype.TrimStart = function (c) {
     if (c == null || c == "") {
         var str = this.replace(/^s*/, '');
         return str;
     }
     else {
         var rg = new RegExp("^" + c + "*");
         var str = this.replace(rg, '');
         return str;
     }
 }

 //去除字符串尾部空格或指定字符
 String.prototype.trimEnd = function (c) {
     if (c == null || c == "") {
         var str = this;
         var rg = /s/;
         var i = str.length;
         while (rg.test(str.charAt(--i)));
         return str.slice(0, i + 1);
     }
     else {
         var str = this;
         var rg = new RegExp(c);
         var i = str.length;
         while (rg.test(str.charAt(--i)));
         return str.slice(0, i + 1);
     }
 }

//修改字符长度，超过者以...代替
String.prototype.FixedLenth = function (lenth, ext) {
    var str = this;

    if (length == null || length == "") {
        length = 10;
    }

    if (ext == null || ext == "") {
        ext = "..";
    }

    if (str.length > length) {
        str = str.substring(0, 10) + ext;
    }

    return str;
}

平时常用的工具类，会持续维护此工具类