常用JS

[javascript]
//--------------------以下通用函数
/**
* format方法。
* eg:
*两种调用方式
*var template1="我是{0}，今年{1}了";
*var template2="我是{name}，今年{age}了";
*var result1=template1.format("loogn",22);
*var result2=template1.format({name:"loogn",age:22});
*两个结果都是"我是loogn，今年22了"
* @param {} args
* @return {String}
*/
String.prototype.format = function(args) {
 if (arguments.length>0) {
 var result = this;
 if (arguments.length == 1 && typeof (args) == "object") {
 for (var key in args) {
 var reg=new RegExp ("({"+key+"})","g");
 result = result.replace(reg, args[key]);
 }
 }
 else {
 for (var i = 0; i < arguments.length; i++) {
 if(arguments[i]==undefined)
 {
 return "";
 }
 else
 {
 var reg=new RegExp ("({["+i+"]})","g");
 result = result.replace(reg, arguments[i]);
 }
 }
 }
 return result;
 }
 else {
 return this;
 }
};
var errorHtml = '{message}';
var errorHtml_br = ' {message}';

function showMessage(p_id, p_message) {
 farmatMessage(1, p_id, p_message);
}

function cleanMessage(p_id) {
 //$("#"+ p_id + "_error").html('');
 $("#"+ p_id + "_error").remove();
}

function showBrMessage(p_id, p_message) {
 farmatMessage(2, p_id, p_message);
}

function farmatMessage(format, p_id, p_message) {
 var error;
 if(format == 1) {
 error = errorHtml.format({id:p_id, message:p_message});
 } else {
 error = errorHtml_br.format({id:p_id, message:p_message});
 }
 if($("#"+ p_id + "_error").length > 0) {
 $("#"+ p_id + "_error").html(p_message);
 } else {
 $("#"+ p_id).after(error);
 }
}

/*
* 判空。左右空白验证时会忽略。
*/
function isNull(str){
 if(str != null && str != ''
 && str.Trim()!='') {
 return false;
 }
 return true;
}

String.prototype.isNull = function() {
 if(this != null && this != ''
 && this.Trim()!='') {
 return false;
 }
 return true;
};

//去空格
String.prototype.Trim = function() {
 var m = this.match(/^\s*(\S+(\s+\S+)*)\s*$/);
 return (m == null) ? "" : m[1];
};
String.prototype.Ltrim = function(){ return this.replace(/^\s+/g, "");};
String.prototype.Rtrim = function(){ return this.replace(/\s+$/g, "");};

//验证手机号
String.prototype.isMobile = function() {
 var re = /^0?(13[0-9]|15[012356789]|18[0236789]|14[57])[0-9]{8}$/;
 return (re.test(this.Trim()));
};

//验证电话
//：/^((0\d{2,3})-)(\d{7,8})(-(\d{3,}))?$/
///^(([0\+]\d{2,3}-)?(0\d{2,3})-)(\d{7,8})(-(\d{3,}))?$/ //"兼容格式: 国家代码(2到3位)-区号(2到3位)-电话号码(7到8位)-分机号(3位)"
String.prototype.isTel = function(){

 return (/^((0\d{2,3})-)(\d{7,8})?$/.test(this.Trim()));
};

//--------------------以下通用函数
/**
* format方法。
* eg:
*两种调用方式
*var template1="我是{0}，今年{1}了";
*var template2="我是{name}，今年{age}了";
*var result1=template1.format("loogn",22);
*var result2=template1.format({name:"loogn",age:22});
*两个结果都是"我是loogn，今年22了"
* @param {} args
* @return {String}
*/
String.prototype.format = function(args) {
    if (arguments.length>0) {
        var result = this;
        if (arguments.length == 1 && typeof (args) == "object") {
            for (var key in args) {
                var reg=new RegExp (&qu

补充：web前端 , JavaScript ,