Nodejs String Sprintf sprintf()

Method Source Code

String.prototype.sprintf = function () {
   if(!arguments.length) return this.split('%s').join('');
   var text=this.split('%s'),result=text.shift();
   $.each(arguments, function(i, value){
      if(!text.length) return result;
      result = result + value+text.shift();
   });/*  w w w.  j a  v a  2  s. c om*/
   if(text.length) result=result+text.join('');
   return result;
};

Related

1. sprintf

   String.prototype.sprintf = 
   String.prototype.format = function(){
       var arr = Array.prototype.slice.call( arguments, 0 ),
           i = 1,
           ii = arr.length,
           s = this;
       s = s.replace( /%s/g, function(){
           return '{%' + i++ + '%}';
       });
   ...
   

2. sprintf()

   String.prototype.sprintf = function() {
     var formatted = this;
     for (var i = 0; i < arguments.length; i++) {
       var regexp = new RegExp('\\{'+i+'\\}', 'gi');
       formatted = formatted.replace(regexp, arguments[i]);
     return formatted;
   };