Nodejs String Sprintf sprintf()

Method Source Code

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]);
  }/* w w w .  ja v  a 2s .c  o  m*/
  return formatted;
};

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 () {
     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();
     });
     if(text.length) result=result+text.join('');
     return result;
   ...