Nodejs Array Pick pick(callback)

Method Source Code

Array.prototype.pick = function (callback)
{
   var element, index, length = this.length;

   for (index = 0; index < length; index++)
   {/* w w  w . j a  va 2s .  c  o m*/
      element = this[index];

      if (Array.isArray(element) || (typeof element === 'object')) 
         element.pick(condition);

      if (callback(element,index))
         return element;
   }

   return null;
};

Related

1. pick()

   Array.prototype.pick = function(){
       var randomIndex = Math.round(Math.random() * (this.length-1))
       return this[randomIndex]
   

2. pick()

   Array.prototype.pick = function () {
     'use strict';
     if (!this.length) {
       return null;
     return this.splice(ROT.RNG.getUniformInt(0, this.length), 1)[0];
   };
   

3. pick()

   Array.prototype.pick = function() {
     return this[Math.floor(Math.random()*this.length)];
   };
   

4. pick()

   "use strict";
   var fs = require("fs"),
       path = require("path");
   var charfile = process.argv[2];
   var dialogfile = process.argv[3];
   var output = process.argv[4];
   if (!charfile || !dialogfile || !output) {
       console.error("must provide both character, dialog and output files as params!");
       process.exit(1);
   ...
   

5. pickRandom()

   Array.prototype.pickRandom = function(){
      return this[Math.floor(Math.random() * this.length)];