Nodejs Function Call map(map)

Method Source Code

Function.prototype.map = function (map) {
    var params = this.getParamNames();
    var fn = this;
    for (var i in params)
        fn = fn.bind({}, map[params[i]]);
    return fn;/*from  www.jav a  2s.  c  o m*/
};

Related

1. times(n)

   Function.prototype.times = function (n) {
     if (n <= 0) {
       throw new TypeError('Invalid argument');
     var fn = this;
     return function () {
       for (var i = 0; i < n; i += 1) {
         fn.call(null, arguments);
     };
   };
   

2. partial()

   Function.prototype.partial = function(){
       var fn = this, args = Array.prototype.slice.call(arguments);
       return function(){
         var arg = 0;
         for ( var i = 0; i < args.length && arg < arguments.length; i++ )
           if ( args[i] === undefined )
             args[i] = arguments[arg++];
         return fn.apply(this, args);
       };
   ...
   

3. times(f, context)

   Number.prototype.times = function(f, context){
     var n = Number(this);
     for(var i = 0; i < n; i++){
       f.call(context, i);
   };
   

4. times(f, context)

   function Range(from, to) {
       this.from = from;
       this.to = to;
   };
   Range.prototype = {
       constructor: Range,
       includes: function(x) {
           return this.from <= x && x <= this.to;
       },
   ...
   

5. times(f, context)

   Number.prototype.times = function(f, context) {
     var n = Number(this);
     for(var i = 0; i < n; i++) f.call(context, i);
   };
   String.prototype.trim = String.prototype.trim || function() {
     if (!this) return this; 
     return this.replace(/^\s+|\s+$/g, ""); 
   };
   Function.prototype.getName = function() {
   ...
   

6. times(fn)

   'use strict';
   Number.prototype.times = function(fn) {
     if (this.valueOf()) {
       for (var i = 0; i < this.valueOf(); i++) {
         fn(i);
   };
   function repeat(n, fn) {
   ...