dantaeflowers/functions_and_scope_assignment

Function Exercises

Question 1

Write a function that returns the largest of two numbers. If they are equal, return the second one.

Example:

Input: 12, 4

Output: 12

Question 2

Write a function named getDogAge that takes one argument: a dog's age in human years. The function returns the dog's age in dog years. The conversion rate is 1 human year to 7 dog years.

Example:

Input: 4

Output: 28

Question 3

Write a function arraySum that takes in an array and returns the sum of all the elements.

Example:

Input: [13,2,4,-2]

Output: 17

Question 4

Write a function that takes in any two numbers and return their sum.

Example:

Input: 14, 5

Output: 19

Question 5

Write a function takes in any number grade and returns a corresponding letter grade.

Number Grade	Equivalent Letter Grade
100	A+
90 - 99	A
80 - 89	B
70 - 79	C
65 - 69	D
Below 65	F

Example:

Input: 88

Output: "B"

Question 6

Implement a function named repeatLog that takes a string and a number as parameters. The function should log message count number of times.

Example:

Input: "+", 10

Output: ++++++++++

Question 7

Write a function named first that takes a number and returns an array with all the numbers from 1 to n

Example:

Input: first(3)

Output: [1, 2, 3]

Question 8

Write a function that logs the numbers from 1 to x, except:

If the number if a multiple of 3, log "Fizz" instead of the number If the number is a multiple of 5, log "Buzz" instead of the number If the number is a multiple of 3 AND 5, log "FizzBuzz" instead of the number Your function should take in one parameter: x (the number to count up to)

Question 9

Write a function named reverse that takes an array as a parameter. The function should return an array in reverse order.

Example:

Input: reverse([1, 2, 3])

Output: [3, 2, 1]

Question 10

Write a function that prints out the most frequently occurring element in an array.

Example:

Input: [2,1,4,2,5,2,3,23,3,3,2,2,2,24,56,2,2,5,46,2]

Output: 2

Question 11

Write a function that sums all the even numbers in an array.

Example:

Input: [1,2,5,64,23,22,91,3]

Output: 88

Question 12

Write a function that flips an object. All of the keys are now values and all of the values are now keys.

Example:

Input: {1: "uno", 5: "cinco"}

Output: {"uno": 1, "cinco": 5}

Question 13

Write a function that determines if a value is inside of array.

Example:

Input: [1,4,6,9,10], 5

Output: false