<script>
document.write(“Hello World!”)
</script>
<noscript>Your browser does not support JavaScript!</noscript>
Definition and Usage
The <noscript> tag defines an alternate content for 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 the <head> element: <noscript> must contain only <link>, <style>, and <meta> elements.
The content inside the <noscript> element will be displayed if scripts are not supported, or are disabled in the user’s browser.