Nodejs String Format format()

Method Source Code

// String extension
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]);
    }/* ww w. j a  v  a  2  s  .  com*/
    return formatted;
};

String.prototype.contains = function (it) { return this.indexOf(it) != -1; };

Related

1. format()

   function $log(text, obj) {
     if (window.console && console.log) {
       console.log(text);
       if (obj) {
         console.log(obj);
   String.prototype.format = function () {
   ...
   

2. format()

   String.prototype.format = function() {
     var args = [].slice.call(arguments);
     return this.replace(/%(\d+)/g, function(w, m) {
       var offset = parseInt(m) - 1;
       if (args[offset] != undefined) {
         return String(args[offset]);
       return w;
     });
   ...
   

3. format()

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

4. format()

   String.prototype.format = function() {
       var str = this.toString();
       if (!arguments.length)
           return str;
       var args = typeof arguments[0],
           args = (("string" == args || "number" == args) ? arguments : arguments[0]);
       for (arg in args)
           str = str.replace(RegExp("\\{" + arg + "\\}", "gi"), args[arg]);
       return str;
   ...
   

5. format()

   String.prototype.format = function () {
       var result = this.toString();
       var arg = arguments.length == 1 && typeof arguments[0] == 'object' ? arguments[0] : arguments;
       for (var value in arg) {
           result = result.split('{' + value + '}').join(arg[value]);
       return result;
   

6. format()

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

7. format()

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

8. format()

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

9. format()

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