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// display prime numbers up to n.

'use strict';

var isPrime = function isPrime(number) {

    if (number < 2) return false;
    var sqrt = Math.floor(Math.sqrt(number));

    for (var i = 2; i <= sqrt; i++) {

albinotonnina

'use strict';

function reverseWords(str) {

    var reversedString = [],
        wordLen = 0;

    for (var i = str.length - 1; i >= 0; i--) {

        if (str[i] == ' ' || i === 0) {

albinotonnina

function fibonacci(n){
  if(n<=1)
    return n;
  else
    return fibonacci(n-1) + fibonacci (n-2);  
}

console.log(fibonacci(12))

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let ultimatePrime = number => {

	let sqrt = (Math.floor(Math.sqrt(number)));

	for (let i = 2 ; i <= number/2; i++){

  
		if(number % i === 0) {
  	  return false;
    }

albinotonnina

var Data = {
	has: function (key) {
		return localStorage.getItem(key) !== null;
	},
	get: function (key) {
		return Data.has(key) ? JSON.parse(localStorage.getItem(key)) : undefined;
	},
	set: function (key, val) {
		localStorage.setItem(key, JSON.stringify(val));
	},