[Codewars] Reverse words (7 kyu) / JavaScript

https://www.codewars.com/kata/5259b20d6021e9e14c0010d4

Codewars - Achieve mastery through coding practice and developer mentorship

 

DESCRIPTION:

Complete the function that accepts a string parameter, and reverses each word in the string. All spaces in the string should be retained.

 

Examples

"This is an example!" ==> "sihT si na !elpmaxe"
"double  spaces"      ==> "elbuod  secaps"

 

코드

function reverseWords(str) {
  return str.split(" ").map(el =>el.split("").reverse().join("")).join(" ");
}