Nodejs String Format format()

Method Source Code

String.prototype.format = function()
{
    var args = arguments;
    return this.replace(/\{(\d+)\}/g,                
        function(m,i){
            return args[i];
        });// w  w  w  .j ava2s  .  c o  m
}

Related

1. format()

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

2. format()

   String.prototype.format = function() {
     var args = arguments;
     return this.replace(/{(\d{1})}/g, function() {
       return new String(args[arguments[1]]);
     });
   };
   

3. format()

   String.prototype.format=function(){
     if(0==arguments.length)
        return this;
     var t=arguments;
     return this.replace(/\{(\d+)\}/g,function(r,n){
        return void 0===t[n]?"{"+n+"}":t[n]})
   };
   

4. format()

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

5. format()

   String.prototype.format = function() {
       var args = arguments;
       return this.replace(/\{(\d+)\}/g, function() {
           return args[arguments[1]];
       });
   };
   

6. format()

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

7. format()

   var util = require('util');
   String.prototype.format = function () {
       return util.format.apply(null,
               [ this.toString() ].concat(Array.prototype.slice.call(arguments)));
   };
   

8. format()

   String.prototype.format = function(){
       var pattern = /\{\d+\}/g;
       var args = arguments;
       return this.replace(pattern, function(capture){ return args[capture.match(/\d+/)]; });
   

9. format()

   String.prototype.format = function() {
     var formatted = this;
     _.forEach(arguments, function(arg, i) {
       formatted = formatted.replace("{" + i + "}", arg);
     });
     return formatted;
   };