const reverseString = str => { if (str === '') { return '' } else { console.log(str) return reverseString(str.substr(1)) + str.charAt(0) } } reverseString('hello') code example

Example 1: javascript reverse a string

function reverseString(s){
    return s.split("").reverse().join("");
}
reverseString("Hello");//"olleH"

Example 2: reverse a word javascript

function reverseWords(str) {
  const allWords = str.split(" ")
  return allWords.map(item => item.split("").reverse().join("")).join(" ")
}