rövarspråket

rovarspraket.js

/*
 Double every consonant and place an occurrence of "o" in between. 
 For example, translate("this is fun") should return the string "tothohisos isos fofunon".
 
    translate('this is fun')
    => "tothohisos isos fofunon"
*/
function translate(str) {
  var arr = str.split(''),
      out = "";
  arr.forEach(function(letter) {
    if (!!~" aeiou".indexOf(letter)) {
      out += letter;
    } else {
      out += (letter + 'o' + letter);
    }
  });
  return out;
}