[Reverse a String] #JS

reverseString.js

function reverseString(str) {
  var new_str = '';
  
  for(var i=0; i<str.length; i++){
    var char = str.charAt(str.length-i-1);
    new_str = new_str + char;
  }
  
  return new_str;
}

reverseString("hello");