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var myArr = [1, 4, -9, -5, 5, 2];

for(index in myArr) {
console.log(myArr[index]);
}

/*
Displays:
1
4
-9
-5
5
2
*/

// The object key names must be …

function countChar(string) {

// Create an empty object
var countCharObj = {};

// …

// Check if a string is a palindrome
function palindromeCheck(palindrome) {
var arr = palindrome.split(“”);

var reverseArr = arr.reverse();

var reverseArrJoin = reverseArr.join(“”);

if(palindrome == …

Basic Fibonacci Number examples with 4 as an input is below:

/*
Recursive function to return a single Fibonacci Number
*/

function …

function factorialInput(num) {
var factorial = 1;
for(var i = num; i > 0; i–) {
…