Seminar 5

• Write a JavaScript function that accepts a string as a parameter and counts the number of vowels within the string.
  Note : As the letter 'y' can be regarded as both a vowel and a consonant, we do not count 'y' as vowel here.
  Example string : 'The quick brown fox'
  Expected Output : 5
  

• Write a JavaScript function that accepts a number as a parameter and check the number is prime or not.
  sample:

  isPrime(37) =

  
  Note : A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself.
  

• Write a function that converts Celcius to Farenheit. C = (F-32)/1.8

• Come up with you own function that takes in at least 1 argument. Describe the function and create it.