use proper ES6 syntax including using let/const properly.

do not use Regular Expressions (Regex)

HINT: Refer to Mozilla Developer Docs as needed

Problem 4 -

• Write a function called cleanPhrase
• This function takes one argument which is a string
• This function should clean the string to remove the random numbers
• This function returns the string phrase
• HINT: Use Mozilla Dev Docs to review the isNaN() funtion

Example:

cleanPhrase('Th7e qu1ick br8own fo0x jum1ps over 22the la9zy d3og5.')

output: The quick brown fox jumps over the lazy dog.

THIS IS JAVASCRIPT PLEASE