Javascript 对象扩展积累

雨点打透心脏的1/2处 2024-04-17 05:21 80阅读 0赞

String.prototype.TrimEnd = function (c) \{  
        var str = this;  
        var rg = new RegExp(c);  
        var i = str.length;  
        while (rg.test(str.charAt(--i)));  
        return str.slice(0, i + 1);  
    \};

//过滤特殊字符

String.prototype.filterSpecialChar = function () \{var pattern = new RegExp("\[\`~!@@\#$^&\*()=\\\\-+|\{\}':;',\\\\\[\\\\\]\\\\.%<>/?~！\#￥……&\*（）—|\{\}【】‘；：”“'。，、？\]");var rs = "";for (var i = 0; i < this.length; i++) \{rs = rs + this.substr(i, 1).replace(pattern, '');\} return rs;\};

//eg."asdaisdias^&%&^$&$^\#".filterSpecialChar()

String.prototype.ToCharArray  =   function ()\{  return   this .split( "" );\}  
String.prototype.Reverse  =   function ()\{  return   this .split( "" ).reverse().join( "" );\}  
String.prototype.IsContains  =   function (str) \{  return  ( this .indexOf(str)  >   \- 1 ); \}  /\*  include or not ? \*/

//格式化"aa\{0\},bb\{1\}".Format("1","2")  
String.prototype.Format =function() \{ var args = arguments; returnthis.replace(/\\\{(\\d+)\\\}/g, function(m, i, o, n) \{ return args\[i\]; \}); \};

//eg.alert('<a href="\{clickurl\}" target="\_blank">\{inner\}</a>'.JsonFormat(\{clickurl:'http://www.baidu.com',inner:'baidu'\}));   
String.prototype.JsonFormat  = function  (config,reserve) \{  return   this .replace( / \\\{(\[^\}\]\*)\\\} / g,( typeof  config == ' object ' ) ? function  (m,i) \{  var  ret = config\[i\]; return  ret == null && reserve ? m:ret\}:config); \}; /\*2010-1-3\*/  
String.prototype.ResetBlank  =   function ()\{  return   this .replace( / s+ / g, "" );\}  
String.prototype.LTrim  =   function ()\{  return   this .replace( / ^s+ / g,  "" );\}  
String.prototype.RTrim  =   function ()\{  return   this .replace( / s+$ / g,  "" );\}  
String.prototype.Trim  =   function ()\{  return   this .replace( / (^\\s\*)|(\\s\*$) / g,  "" ); \}  
String.prototype.GetNum  =   function ()\{  return   this .replace( / \[^d\] / g,  "" );\}  /\* num only \*/   
String.prototype.GetEn  =   function ()\{  return   this .replace( / \[^A-Za-z\] / g,  "" ); \}  /\*  english charctar only  \*/   
String.prototype.GetCn  =   function ()\{  return   this .replace( / \[^\\u4e00-\\u9fa5\\uf900-\\ufa2d\] / g,  "" ); \}  /\*  chinese charctar only  \*/   
String.prototype.ByteLength  =   function ()\{  return   this .replace( / \[^\\x00-\\xff\] / g,  " aa " ).length; \}  /\*  get Byte Length  \*/   
String.prototype.Left  =   function (n)\{  return   this .slice( 0 , n);\}  
String.prototype.Right  =   function (n)\{  return   this .slice( this .length  \-  n);\}  
String.prototype.Insert  =   function (index, str) \{  return   this .substring( 0 , index)  \+  str  \+   this .substr(index);\}  
String.prototype.Copy  =   function ()\{  if (IE) window.clipboardData.setData( " text " ,  this .toString()); \} /\*  ie only  \*/   
String.prototype.HtmlEncode  =   function ()\{  var  i,e  = \{  ' & ' :  ' & ' ,  ' < ' :  ' < ' ,  ' > ' :  ' > ' ,  ' " ' :  ' " '  \},t  =   this ;  for  (i  in  e) t  =  t.replace( new  RegExp(i,  ' g ' ), e\[i\]); return  t\}  
String.prototype.UrlEncode  =   function ()\{  return  encodeURIComponent( this ); \}  
String.prototype.Unicode  =   function ()\{  var  tmpArr  =  \[\];  for  ( var  i  =   0 ; i  <   this .length; i \++ ) tmpArr.push( " &\# "   \+   this .charCodeAt(i)  \+   " ; " );  return  tmpArr.join( "" );\}  
 /\* Validate \*/   
String.prototype.IsEmpty  =   function () \{  return   this   ==   "" ; \}  
String.prototype.IsEmail  =   function ()\{  return   / ^\\w+((-\\w+)|(\\.\\w+))\*\\@\[A-Za-z0-9\]+((\\.|-)\[A-Za-z0-9\]+)\*\\.\[A-Za-z0-9\]+$ / .test( this );\}  
String.prototype.IsChinese  =   function ()\{  return   / ^\[\\u0391-\\uFFE5\]+$ / .test( this );\}  
String.prototype.IsQQ  =   function ()\{  return   / ^\[0-9\]\{5,9\}$ / .test( this );\}  
String.prototype.IsTel  =   function ()\{  return   / ^(\$\\d\{3,4\}\$|\\d\{3,4\}-)?\\d\{7,8\}$ / .test( this );\}  
String.prototype.IsTelAll  =   function ()\{  return   / ^(\$\\d\{3,4\}\$|\\d\{3,4\}-)?\\d\{7,8\}$ / .test( this )  ||   / ^\\d\{11\}$ / .test( this );\}  /\*  include cell phone  \*/   
String.prototype.IsNum  =   function () \{  return   / ^(\\d+)$ / .test( this ); \}  
 /\* \-- Array Class Extendtions -- \*/   
Array.prototype.Add  =   function (itAdd) \{  var  \_index  =   this .indexOf(itAdd);  if  (\_index  <   0 ) \{  this .push(itAdd);\}\};  
Array.prototype.Del  =   function (itDel) \{  var  \_index  =   this .indexOf(itDel);  if  (\_index  >=   0 ) \{  this .splice(\_index,  1 ); \}\};

Date.prototype.addSeconds = function(seconds) {
                this.setSeconds(this.getSeconds() + seconds);
                return this;
            };
    Date.prototype.addMinutes = function(minutes) {
                this.setMinutes(this.getMinutes() + minutes);
                return this;
    };
    
    Date.prototype.addHours = function(hours) {
                this.setHours(this.getHours() + hours);
                return this;
    };
    
    Date.prototype.addDays = function(days) {
                this.setDate(this.getDate() + days);
                return this;
    };
    
    Date.prototype.addWeeks = function(weeks) {
                this.addDays(weeks*7);
                return this;
    };
    
    Date.prototype.addMonths = function (months) {
                var dt = this.getDate();
    
                this.setMonth(this.getMonth() + months);
                var currDt = this.getDate();
    
                if (dt !== currDt) {  
                    this.addDays(-currDt);
                }
    
                return this;
    };
    
    Date.prototype.addYears = function(years) {
                var dt = this.getDate();
    
                this.setFullYear(this.getFullYear() + years);
    
                var currDt = this.getDate();
    
                if (dt !== currDt) {  
                    this.addDays(-currDt);
                }
    
                return this;
    };

转载于:https://www.cnblogs.com/DanielChow/archive/2009/12/14/1624133.html