Nodejs String Format format()

Method Source Code

String.prototype.format = function () {
   var args = arguments;
   return this.replace(/\{(\d+)\}/g, function (m, i, o, n) {
      return args[i];
   });/*  w  ww  .j a  v  a 2  s  .co  m*/
};

Related

1. format()

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

2. format()

   String.prototype.printf = function (obj) {
     var useArguments = false;
     var _arguments = arguments;
     var i = -1;
     if (typeof _arguments[0] == "string") {
       useArguments = true;
     if (obj instanceof Array || useArguments) {
       return this.replace(/\%s/g,
   ...
   

3. format()

   String.prototype.format = function () {
       'use strict';
       var newString = this;
       function replace(string, search, replacement) {
           return string.replace(new RegExp(search.replace('{', '\\{').replace('}', '\\}'), 'g'), replacement.toString());
       if (arguments[0] !== 'undefined') {
           switch (typeof arguments[0]) {
               case 'object':
   ...
   

4. format()

   String.prototype.format = function() {
     var args = Array.prototype.slice.call(arguments);
     var str = this;
     return str.replace(/%s/g, function(match, index) {
       if (str.charAt(index-1) == "%") {
         return match;
       } else {
         return args.shift();
     });
   

5. format()

   if (!String.prototype.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 i = 0, args = arguments;
     return this.replace(/{(.*?)}/g, function (match, tagInner) {
       replacement = typeof args[i] != 'undefined' ? args[i++] : '';
       if(tagInner == "") {
           return replacement;
       } else {
           var match = tagInner.match(/^:.(\d+)f$/);
           if(match) {
   ...
   

7. format()

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

8. format()

   String.prototype.format = function () {
       var args = arguments;
       var input = this;        
       var output = "";
       if (input.length > 0) {
           if (args[0] === undefined || args[0] === null) {
               output = "string without any arguments";
           else {
   ...
   

9. format()

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