Nodejs String Format format()

Method Source Code

String.prototype.format = function () {
  var formatted = this;
  for (var i = 0; i < arguments.length; i++) {
    formatted = formatted.replace(//from w  w w .  ja  va2 s  .co  m
      RegExp('\\{' + i + '\\}', 'g'), arguments[i]);
  }
  return formatted;
};

Related

1. format()

   String.prototype.format = function() {
       var txt = this, i = arguments.length; while (i--) {
           txt = txt.replace (
               new RegExp('\\{' + i + '\\}', 'gm'), arguments[i]
           );
       return txt;
   };
   

2. format()

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

3. format()

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

4. format()

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

5. format()

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

6. format()

   String.prototype.format = function() {
       var formattedString = this;
       for (var i = 0; i < arguments.length; i++) {
           var reg = new RegExp('\\{' + i + '\\}', 'gm');
           formattedString = formattedString.replace(reg, arguments[i]);
       return formattedString;
   };
   

7. format()

   String.prototype.format = 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;
   };
   

8. format()

   String.prototype.format = function() {
       var formatted = this;
       if(arguments.length == 1 && arguments[0] instanceof Object) {
           var args = arguments[0];
           for(var i in args) {
               var regexp = new RegExp('\\{' + i + '\\}', 'gi');
               formatted = formatted.replace(regexp, args[i]);
       } else if(arguments.length > 1) {
   ...
   

9. format()

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