Nodejs String Format format(args)

Method Source Code

String.prototype.format = function(args) {

  return this.replace(/{(\d+)}/g, function(match, number) { 
    return typeof args[number] != 'undefined'
      ? args[number]/*from   w w  w .j  a  va2  s  .  c  om*/
      : match
    ;
  });
};

Related

1. format(...args)

   String.prototype.format = function (...args) {
     return this.replace(/\{(\d+)\}/g, function (m, i) {
       return args[i]
     })
   

2. format(arg)

   String.prototype.format = function(arg) {
     var argLen, args, repFn, str;
     repFn = void 0;
     str = this;
     if (typeof arg === "object") {
       repFn = function(a, b) {
         if (arg[b]) {
           return arg[b];
         } else {
   ...
   

3. format(args)

       var result = this;
       if (arguments.length > 0) {    
           if (arguments.length == 1 && typeof (args) == "object") {
               for (var key in args) {
                   if(args[key]!=undefined){
                       var reg = new RegExp("({" + key + "})", "g");
                       result = result.replace(reg, args[key]);
           else {
               for (var i = 0; i < arguments.length; i++) {
                   if (arguments[i] != undefined) {
                       var reg = new RegExp("({[" + i + "]})", "g");
                       result = result.replace(reg, arguments[i]);
       return result;
   };
   

4. format(args)

   String.prototype.format = function (args) {
       var newStr = this;
       for (var key in args) {
           newStr = newStr.replace('{' + key + '}', args[key]);
       return newStr;
   

5. format(args)

   String.prototype.format = function (args) {
     var newStr = this;
     for (var key in args) {
       newStr = newStr.replace(new RegExp("{" + key + "}","g"), args[key]);
     return newStr;
   };
   

6. format(args)

   String.prototype.format = function (args) {
       var regex = /{-?[0-9]+}/g;
       var str = this;
       return str.replace(regex, function(item) {
           var intVal = parseInt(item.substring(1, item.length - 1));
           var replace;
           if (intVal >= 0) {
               replace = args[intVal];
           } else {
   ...
   

7. format(args)

   String.prototype.format = function (args) {
       var result = this;
       var reg;
       if (arguments.length > 0) {
           if (arguments.length == 1 && typeof (args) == "object") {
               for (var key in args) {
                   if (args[key] != undefined) {
                        reg = new RegExp("({" + key + "})", "g");
                       result = result.replace(reg, args[key]);
   ...
   

8. format(args)

   String.prototype.format = function(args){
       var this_string = '';
       for (var char_pos = 0; char_pos < this.length; char_pos++) {
           this_string = this_string + this[char_pos];
       for (var key in args) {
           var string_key = '{' + key + '}';
           this_string = this_string.replace(new RegExp(string_key, 'g'), args[key]);
       return this_string;
   };
   

9. format(args)

   String.prototype.format = function(args) {
       var result = this;
       if (arguments.length < 1) {
           return result;
       var data = arguments;      
       if (arguments.length == 1 && typeof (args) == "object") {
           data = args;
       for (var key in data) {
           var value = data[key];
           if (undefined != value) {
               result = result.replace("{" + key + "}", value);
       return result;