Nodejs String Format format()

Method Source Code

String.prototype.format=function(){
   if(0==arguments.length)
      return this;
   var t=arguments;
   return this.replace(/\{(\d+)\}/g,function(r,n){
       return void 0===t[n]?"{"+n+"}":t[n]})
};

Related

1. format()

   String.format = function() {
     var s = arguments[0];
     for (var i = 0; i < arguments.length - 1; i++) {       
       var reg = new RegExp("\\{" + i + "\\}", "gm");             
       s = s.replace(reg, arguments[i + 1]);
     return s;
   

2. format()

   String.prototype.format = function() {
       var args = arguments;
       return this.replace(/\{(\d+)\}/g, function (m, n) { return args[n]; });
   };
   

3. format()

   String.prototype.format=function(){
     var a=arguments;
     return this.replace(/\{(\d+)\}/g,function(b,c){return a[c]})
   };
   

4. format()

   String.prototype.format = function() {
     a = this;
     for (k in arguments) {
       a = a.replace("{" + k + "}", arguments[k]);
     return a;
   };
   

5. format()

   String.prototype.format = function() {
     var args = arguments;
     return this.replace(/{(\d{1})}/g, function() {
       return new String(args[arguments[1]]);
     });
   };
   

6. format()

   String.prototype.format = function() {
       var newStr = this, i = 0;
       while (/%s/.test(newStr))
           newStr = newStr.replace("%s", arguments[i++])
       return newStr;
   

7. format()

   String.prototype.format = function() {
       var args = arguments;
       return this.replace(/\{(\d+)\}/g, function() {
           return args[arguments[1]];
       });
   };
   

8. format()

   String.prototype.format = function()
       var args = arguments;
       return this.replace(/\{(\d+)\}/g,                
           function(m,i){
               return args[i];
           });
   

9. format()

   String.prototype.format = function(){
       var args = arguments;
       return this.replace(/\{(\d)\}/g, function(a,b){
           return typeof args[b] != 'undefined' ? args[b] : a;
       });