With/without JS styling

snippet.html

<!-- with and without JS visibility and display -->
<style type="text/css">
.withJSvisible {visibility: hidden}
.withJSdisplay {display:none}
</style>
<script type="text/javascript">
document.write(String.fromCharCode(60),'style type="text/css"',String.fromCharCode(62),
        ' .withJSvisible {visibility:visible !important} ',
        ' .withoutJSvisible {visibility:hidden !important}  ',
		
		' span.withJSdisplay,a.withJSdisplay {display:inline !important} p.withJSdisplay,div.withJSdisplay {display:block !important} ',
		' .withoutJSdisplay {display:none !important} ',
        String.fromCharCode(60),'/style',String.fromCharCode(62)
);
</script>