Reverse a string

string-reversal.js

// Method 1
const reverseString = str => {
  let newString = "";
  for (let char of str) {
    newString = char + newString;
  }
  return newString;
};

// method 2 using reduce
function reverseStrn(str) {
  return str.split("").reduce((rev, char) => char + rev, "");
}

// by Recursion
function reverseStrn(str) {
  if (str === "") return "";
  else return reverseStrn(str.substr(1)) + str.charAt(0);
}

// using a for loop
function reverseStr(str) {
  let newStr = "";

  for (let i = str.length - 1; i >= 0; i--) {
    newStr += str[i];

    return newStr;
  }
}