Nodejs String Format format()

Method Source Code

String.prototype.format = function() {
    var formatted = this;
    if(arguments.length == 1 && arguments[0] instanceof Object) {
        var args = arguments[0];
        for(var i in args) {
            var regexp = new RegExp('\\{' + i + '\\}', 'gi');
            formatted = formatted.replace(regexp, args[i]);
        }//from w  ww . jav  a  2 s  .  com
    } else if(arguments.length > 1) {
        formatted = formatted.format(_.extend({}, arguments));
    }
    return formatted;
}

Related

1. format()

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

2. format()

   String.prototype.format = function() {
     var args = arguments;
     return this.replace(/{(\d+)}/g, function(match, number) { 
       return typeof args[number] != 'undefined'
         ? args[number]
         : match
       ;
     });
   };
   ...
   

3. format()

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

4. format()

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

5. 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;
   };
   

6. format()

   String.prototype.format= function(){
    var args = arguments;
    return this.replace(/\{(\d+)\}/g,function(s,i){
      return args[i];
    });
   function confirmdel(str){   
       return confirm(str);   
   

7. format()

   String.prototype.format = function() {
       var formattedString = this;
       var strArray = Array.prototype.slice.call(arguments);
       var pattern;
       strArray.forEach(function(value, index) {
           pattern = new RegExp("\\{" + index + "\\}", "g");
           formattedString = formattedString.replace(pattern, value && typeof value === 'string' ? value : '');
       });
       return formattedString;
   ...
   

8. format()

   String.prototype.format = function() {
     var formatted = this;
     for( var arg in arguments ) {
       formatted = formatted.replace("{" + arg + "}", arguments[arg]);
     return formatted;
   };
   

9. format()

   String.prototype.format = function () {
       var formatted = this;
       if (arguments != null) {
           for (var i = 0; i < arguments.length; i++) {
               while (formatted.indexOf("{" + i + "}") > -1) {
                   formatted = formatted.replace("{" + i + "}", arguments[i]);
       return formatted;
   };