Reverse Words in Sentence

Problem

Create a function that takes a string and reverses the characters of each word within the string while keeping the original word order and whitespace intact.

Examples

reverseWords("Hello World")
// "olleH dlroW"
// Why? The characters of each word are reversed while preserving the original word order.

reverseWords("Practice makes perfect")
// "ecitcarP sekam tcefrep"
// Why? Each word's characters are reversed.