Nodejs String Format format()

Method Source Code

//this method is to enhance the string object to give it tokenized, multiple argument 
//string formatting functionality much like C#'s String.format("{0}", string) method
String.prototype.format = function () {
    var formatted = this;
    for (var arg in arguments) {
        formatted = formatted.replace("{" + arg + "}", arguments[arg]);
    }// w  w  w .  j  a v  a 2  s  . c  om
    return formatted;
};

Related

1. format()

   String.prototype.format = function () {
       var result = this.toString();
       var arg = arguments.length == 1 && typeof arguments[0] == 'object' ? arguments[0] : arguments;
       for (var value in arg) {
           result = result.split('{' + value + '}').join(arg[value]);
       return result;
   

2. 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;
   };
   String.prototype.contains = function (it) { return this.indexOf(it) != -1; };
   ...
   

3. format()

   'use strict';
   String.prototype.format = function() {
       var content = this;
       for (var i = 0; i < arguments.length; i++) {
           var replacement = '{' + i + '}';
           content = content.replace(replacement, arguments[i]);
       return content;
   };
   ...
   

4. format()

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

5. format()

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

6. 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;
   };
   String.prototype.replaceAll = function (find, replace) {
   ...
   

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 formatted = this;
     for (var prop in arguments[0]) {
       var regexp = new RegExp('\\{' + prop + '\\}', 'gi');
       formatted = formatted.replace(regexp, arguments[0][prop]);
     return formatted;
   };
   if (typeof String.prototype.trim !== 'function') {
   ...
   

9. 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;
   };