Nodejs String Format format()

Method Source Code

// String formatting function taken from http://stackoverflow.com/a/2648463

String.prototype.format = String.prototype.f = function() {
  var s = this,/*from w  w  w  .  j  a  va2 s .co  m*/
      i = arguments.length;

  while (i--) {
    s = s.replace(new RegExp('\\{' + i + '\\}', 'gm'), arguments[i]);
  }
  return s;
};

Related

1. formatString(num, comma)

   Number.prototype.formatString = function(num, comma) {
     return this.toFixed(num).toString().replace(/\.([0-9]*)$/, comma+"$1");
   

2. format()

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

3. format()

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

4. format()

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

5. format()

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

6. format()

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

7. format(options)

   String.prototype.format = String.prototype.f = function(options) {
       options = options ? options : [];
       if (typeof options != "object") options = [options];
       var s = this,
           i = options.length;
       while (i--) {
           s = s.replace(new RegExp('\\{' + i + '\\}', 'gm'), options[i]);
       return s;
   ...
   

8. format()

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

9. format()

   String.prototype.format = String.prototype.format ||
   function () {
       var str = this.toString();
       if (arguments.length) {
           var t = typeof arguments[0];
           var key;
           var args = ("string" === t || "number" === t) ?
               Array.prototype.slice.call(arguments)
               : arguments[0];
   ...