Yes, it is saved as .html
My HTML code is:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="javscript/text" src="prjs6_1.js"></script>
When I preview the page in Firefox I am just presented with a blank page.