# BLOG  ## JavaScript Challenge Internship to CEO #15/54

Task of Challenge #15/54 Create a function that will find the nth Fibonacci number using recursion. Fibonacci series: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, … . Use nth = 14 Solution Explanation The Fibonacci numbers are the numbers in the following integer sequence.0, 1,...

## JavaScript Challenge Internship to CEO #14

Task of Challenge #14/54 Print the first 10 Fibonacci numbers without recursion. Fibonacci series: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ... Solution Explanation We start with the creation of the for loop. We have to define the loop is running from 2 to 10 in order to get...

## JavaScript Challenge Internship to CEO #13

Task of Challenge #13/54 Find the maximum number in an array of numbers. The array: [-21, 113, -34, 1, -9, 5, 99, 1, 0]. Solution Explanation To accomplish our task, we create a function called findMax() and pass in our array. Inside the body, we need to create a...

## JavaScript Challenge Internship to CEO #12

Task of Challenge #12/54 Create a function that receives an array of numbers and returns an array containing only the positive numbers. The array: [-65, 11, -5, 1, -19, 45, 19, 0, 1]. Solution Explanation To accomplish our task, we create a function called...

## JavaScript Challenge Internship to CEO #11

Task of Challenge #11/54 Calculate the average of the numbers in an array of numbers. The array: [2, 5, 17, 81, 9]. Solution Explanation How to calculate an average A calculated "central" value of a set of numbers. To calculate it: add up all the numbers, then divide...

## JavaScript Challenge Internship to CEO #10

Task of Challenge #10/54  Calculate the sum of numbers in an array of numbers. The array: [1, 9, -19, 3, 5, 3, 7, 14, 91]. Solution Explanation To accomplish our task, we need to iterate over the array and build the sum out of each element. Since we aren't so...

## JavaScript Challenge Internship to CEO #09

Task of Challenge #09/54 Create a function that will convert from Fahrenheit to Celsius. Convert -38 degree Fahrenheit. Solution Explanation How to convert Celsius to Fahrenheit The temperature T in degrees Fahrenheit (°F) is equal to the...

## JavaScript Challenge Internship to CEO #08

Task of Challenge #08/54 Create a function that will convert from Celsius to Fahrenheit. Convert 0 degree Celsius. Solution Explanation How to convert Celsius to Fahrenheit The temperature T in degrees Fahrenheit (°F) is equal to the...

## JavaScript Challenge Internship to CEO #07

Task of Challenge #07/54 Calculate the sum of odd numbers greater than 9 and less than 30 a for-loop . Solution Explanation To accomplish our task, we should remember challenge #02 because back then, the task was to print out every odd number below 99. That means we...

## JavaScript Challenge Internship to CEO #06

Task of Challenge #06/54 Calculate 9! a for-loop . Solution Explanation To create the factorial of 9 we make almost the same as in challenge #05 but with a different loop body code block. Last time we used this statement to gather the accumulated sum sum+=i. Knowing a...

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