revision:
The <noscript> tag defines an alternate content to be displayed to users that have disabled scripts in their browser or have a browser that doesn't support script. The <noscript> element can be used in both "head" and "body". When used inside "head", the "noscript" element can only contain "link", "style", and "meta" elements.
<noscript> . . . </noscript>
<script>
document.write("Hello World!")
</script>
<noscript>Sorry, your browser does not support JavaScript!< /noscript>
<script language="javascript" type="text/javascript">
document.write('JavaScript is enabled. Disable your JavaScript then reload this page');
</script>
<noscript>
Your browser doesn't support JavaScript or you have disabled JavaScript. Therefore,
here's alternative content...
</noscript>