JSFiddle - React, Tailwind, and code Playground
by ajthomascouk
HTML
<ul id="nav">
<li><a href="ajthomascouk">This fiddle</a></li>
<li><a href="foo">foo</a></li>
<li><a href="bar">bar</a></li>
</ul>
JavaScript
pathname = $(location).attr('href');
$('#nav li > a').each(function(){
thisHref = $(this).attr('href');
if (pathname.toLowerCase().indexOf(thisHref) >= 0)
$(this).css({'color':'red'})
});