Nodejs String Format format()

Method Source Code

String.prototype.format = function() {
    var newString = this;
    counter = 0;// w  w  w  . ja va 2s.c  o m
    while (counter < arguments.length && newString.indexOf('{}') != -1) {
        newString = newString.replace('{}', arguments[counter++]);
    }
    matches = newString.match(/{[0-9]+}/g);
    if (matches != null) {
        for (var i = 0; i < matches.length; i++) {
            index = parseInt(matches[i].replace(/[{}]/g, ''));
            newString = newString.replace(matches[i], arguments[index]);
        }
    }
    return newString;
};

Related

1. 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;
   };
   function pad(n) {
   ...
   

2. format()

   String.prototype.format = function() { 
     s = this;
     if (arguments.length == 1 && arguments[0].constructor == Object) {
       for (var key in arguments[0]) {
         s = s.replace(new RegExp("\\{" + key + "\\}", "g"), arguments[0][key]);
     } else {
       for (var i = 0; i < arguments.length; i++) {
         s = s.replace(new RegExp("\\{" + (i+1) + "\\}", "g"), arguments[i]);
   ...
   

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;
     })
   function getUrlParam(name){
   ...
   

4. format()

   'use strict';
   String.prototype.format = function () {
       var formatted = this,
           i;
       for (i = 0; i < arguments.length; i += 1) {
           formatted = formatted.replace("{" + i + "}", arguments[i]);
       return formatted;
   };
   ...
   

5. format()

   String.prototype.format = function(){
     var ret = this.toString();
     for (var i = 0; i < arguments.length; i++) {
       ret = ret.replace("%s", arguments[i]);
     return ret;
   };
   

6. format()

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

7. format()

   function clearStorage() {
     localStorage.clear();
     setIcon();
   function setIcon() {
   String.prototype.format = function() {
     var formatted = this;
     for (var i = 0; i < arguments.length; i++) {
   ...
   

8. 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;
   };
   

9. format()

   String.prototype.format = function() 
     var result = this;
     for (var ix = 0; ix < arguments.length; ix++) 
       var tagRegExp = new RegExp("\\{" + ix + "\\}", "gi");
       result = result.replace(tagRegExp, arguments[ix]);
     return result;
   ...