title: I have a function and I need to know when it will return true and not false
body: <p>I have this funtion</p>
  <pre><code>function riddle (parme) {
    if(parme !== parme) {
      return true;
    }
    return false;
  }
  </code></pre>
  <p>when will it return true (I dont know the language)</p>