KimSarabia

// https://www.mathsisfun.com/numbers/golden-ratio.html
// Use Golden Ratio to Find Fibonacci given n is term number
function fibonacci(n) {
 return Math.round(
 (Math.pow((1 + Math.sqrt(5)) / 2, n) — 
 Math.pow(-2 / (1 + Math.sqrt(5)), n)) / 
 Math.sqrt(5)
 );
}

KimSarabia

/**
 * Copyright 2012 Akseli Palén.
 * Created 2012-07-15.
 * Licensed under the MIT license.
 * 
 * <license>
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,

KimSarabia

// Work in Progress

function chooseBestSum(t, k, ls) {
if(ls.length <= 1){return null}
else {
return Array
        .apply(0, { length: Math.pow(k+1, ls.length) })
        .map(Number.call, Number)
        .map(a => a
              .toString(ls.length)

KimSarabia

function longestSlideDown (pyramid) {
  var pyramidClone = pyramid.slice();
  for(var i = pyramid.length - 2; i >= 0; i--){
  current = pyramid[i]
  if(i === pyramid.length - 2){
    next = pyramidClone[i+1]
  } else {
    next = newArr
  }
  newRow = []

KimSarabia

Determine if any characters are not in character classes a-z, A-Z or 0-9
This will also treat é or similar characters as rejected symbols.

if(!/[^a-zA-Z0-9]/.test($(this).val())) {
    $("#passwordErrorMsg").html("OK");
}

Source: https://stackoverflow.com/questions/19932596/regex-to-not-allow-special-characters-javascript

KimSarabia

//From Map Article: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map 
// Consider:
['1', '2', '3'].map(parseInt);
// While one could expect [1, 2, 3]
// The actual result is [1, NaN, NaN]

// parseInt is often used with one argument, but takes two.
// The first is an expression and the second is the radix.
// To the callback function, Array.prototype.map passes 3 arguments: 
// the element, the index, the array

KimSarabia

//Use For-In 
var buz = {
  fog: 'stack'
};

for (var name in buz) {
  if (buz.hasOwnProperty(name)) {
    console.log('this is fog (' + 
      name + ') for sure. Value: ' + buz[name]);
  }

KimSarabia

//Favorite Pete the Baker Solution
//https://www.codewars.com/kata/525c65e51bf619685c000059/solutions/javascript

function cakes(recipe, available) {
  var numCakes = [];
  
  for(var key in recipe){
    if(recipe.hasOwnProperty(key)){
      if(key in available){
        numCakes.push(Math.floor(available[key] / recipe[key]));

KimSarabia

//Source: https://stackoverflow.com/questions/8934877/obtain-smallest-value-from-array-in-javascript
Array.min = function( array ){
    return Math.min.apply( Math, array );
};

var minimum = Array.min(array);

KimSarabia

//From Reduce - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce?v=a
//Counting instances of values in an object
//Initializing with an empty object

var names = ['Alice', 'Bob', 'Tiff', 'Bruce', 'Alice'];

var countedNames = names.reduce(function (allNames, name) { 
  if (name in allNames) {
    allNames[name]++;
  }