title: how to process textarea multiple line input if user hit "enter/return" key
body: <p>my coding:</p>
  
  <pre><code> ...
   &lt;textarea name="TextArea1" id="TextArea" style="height ; width" &gt;&lt;/textarea&gt;
   ...
   &lt;script type="text/javascript"&gt;
   var txt_element = document.getElementById("TextArea");
   document.write (txt_element.childNodes[0].nodeValue);
   &lt;/script&gt;
   ...
  </code></pre>
  
  <p>but it doesn't recognize "enter/return" key hited instead it shows " "</p>
  
  <p>Many thanks</p>