Noscript Element

Explanation

Noscript element is used to display a message informing that the "Javascript" has been disabled by the browser.

<script type="text/javascript"> document.write("Text") </script> <noscript>Text</noscript>

Example Code:

<div id='tesst'></div>
<noscript>Web browser wont support JavaScript</noscript>
<script type="text/javascript">
document.getElementById('tesst').innerHTML="This an alternative text";
</script>

Result :

It must be placed inside the <body>.
If the "Javascript" is disabled in a browser, then the alert message (Javascript is disabled in this browser) will be displayed to inform the user.

It is available in previous versions of the HTML.
It supports Global Attributes in HTML5.