var asciiChars  = `qwertyuiop[]\asdfghjkl;'zxcvbnm,./QWERTYUIOP{}|ASDFGHJKL:"ZXCVBNM<>?`;
var dvorakChars = `',.pyfgcrl/=\aoeuidhtns-;qjkxbmwvy"<>PYFGCRL?+|AOEUIDHTNS_:QJKXBMWVY`;

function ascii2dvorak(str) {
  return str.replace(/./g, function (ch) {
    var index = asciiChars.indexOf(ch);
    if(index === -1) return ch;
    return dvorakChars.charAt(index);
  })
}

function dvorak2ascii (str) {
  return str.replace(/./g, function (ch) {
    var index = dvorakChars.indexOf(ch);
    if(index === -1) return ch;
    return asciiChars.charAt(index);
  })
}