Tag Description
<noscript> Used to provide an alternate content for users that have disabled scripts in their browser or have a browser that doesn't support client-side scripting (eg. Javascript)

Example:

HTML Code:
<script type="text/javascript">
    document.write("The noscript tag does not get rendered by a browser.")
</script>
<noscript>
    Your browser does not support JavaScript or JavaScript is disabled.
</noscript>
Display: