gistfile1.txt

const dc = require("dosycrypt");

const page = ({message:message = ''}={}) => `
<title>DOSYCRYPT</title>
<meta name=viewport content="width=device-width, initial-scale=1">
<style> 
  :root, body, input, textarea, button { 
    background: orange; color: white; 
  }
</style>
<form id=suck style="margin: 0 auto; max-width:555px; width:85vw;" method=POST>
  <fieldset><legend>DOSYCRYPT</legend>
    <p>
      <input id=key type=password required 
      name=key placeholder="key (spaces okay)" minlength=4>
    <p>
      <textarea id=message rows=8 cols=28
      placeholder=message name=message>${message}</textarea>
    <p>
      <button id=enc name=mode value=encrypt>Encrypt</button>
      <button id=dec name=mode value=decrypt>Decrypt</button>
      <button type=reset
        onclick=document.write('');>Destroy</button>
  </fieldset>
</form>
<script>
  enc.onclick = e => {
    e.preventDefault();
    const c = dc.full_encrypt( message.value, key.value );
    document.write(page({message:btoa(c)}));
  };
  dec.onclick = e => {
    e.preventDefault();
    const p = dc.full_decrypt( atob(message.value), key.value );
    document.write(page({message:p}));
  };

</script>