reverse letters javascript code example

Example 1: javascript reverse string

function reverseString(str) {
  if (str === "")
    return "";
  else
    return reverseString(str.substr(1)) + str.charAt(0);
}
reverseString("hello");

Example 2: reverse string js

str.split('').reduce((reversed, character) =>{
    return character + reversed;
  }, '');
//apple = leppa