null created by anonymous - https://repl.it/HaJU/46

HaJU-46.js

// Write a function that will take a string as input, and return a new
// string with the same letters in reverse order.
//
//
// Difficulty: easy.

function reverse(string) {
  var reversed=""
  for(var i=string.length-1;i>=0;i--)
  {
    reversed +=string[i]
  }
  return reversed
}

// These are tests to check that your code is working. After writing
// your solution, they should all print true.

console.log("\nTests for reverse")
console.log("===============================================")
    console.log(
      'reverse("abc") == "cba": ' + (reverse("abc") == "cba")
    )
    console.log(
      'reverse("a") == "a": ' + (reverse("a") == "a")
    )
    console.log(
      'reverse("") == "": ' + (reverse("") == "")
    )
console.log("===============================================")