In JavaScript

Question one.

1.Complete removeZS function, so it returns string string without z and s symbols. Remove symbols in uppercase and lowercase.

Example:

removeZS('Mate academy') === 'Mate academy' removeZS('zzzmatesss') === 'mate' removeZS('ZMzastSe AcaZzzzdemsSy') === 'Mate Academy' removeZS('zszszSSZsz') === ''

: how the function should start: Using the above values to complete the function.

functionremoveZs(string){

//writecodehere

}

Second question.

2.Write a function getCapitals, that takes a string string and returns an array of all uppercase letters found in the string keeping the order.

Example: getCapitals('Mate Academy') === ['M', 'A'] getCapitals('MatE AcadEmy') === ['M', 'E', 'A', 'E'] getCapitals('mate academy') === []

: how the function should start: Using the above values to complete the function.

functiongetCapitals(string){

//writecodehere

}

Question 3

3.You are given an array years that contains years of life of different people in the next format 1714-1748 (year of birth - year of death).

Write a function getAverageAge returning an average life duration of all the people rounding it to the nearest whole (Math.round)

Example:

getAverageAge(['1832-1905', '1876-1956', '1683-1724', '1714-1748']) === 57

getAverageAge([ '1907-1997', '1761-1833', '1535-1582', '1918-2012', '1877-1968', '1696-1724', '1602-1642', '1692-1743', '1695-1762', '1570-1636', '1762-1807', '1668-1731', ]) === 63

SECTION 4

4.Write a function removeVowelKeys, that takes an array of strings keys and returns an array of keys that does not start with a vowel (aeiouy). The letter case does not matter.

Example:

removeVowelKeys(['alarm', 'chip', 'isValid', 'Advice', 'onClick']); // ['chip']

: how the function should start: Using the above values to complete the function.

functionremoveVowelKeys(keys){

//writecodehere

}