gistfile1.js

//news.js
var webView = Ti.UI.createWebView({
  top:0,
  left:0,
  backgroundColor:"#fff",
  width:320,
  url:'news.html'
});

Ti.App.addEventListener('fillNews', function(passedData)
{
  contentView.evalJS("$('#title').text('"+win.newsTitle+"');");
});

//news.html
<script>
  $(document).ready(function(){
    Ti.App.fireEvent('fillNews');
  });
//we use jquey
</script>