JSFiddle - React, Tailwind, and code Playground
by wirey00
HTML
<nav class="closed">
<a id="index" href="#">Home</a>
<a id="index.php" href="#">About</a>
<a id="/index.php" href="#">Forum</a>
<a id="\index.php" href="#">Get involved</a>
</nav>
JavaScript
var x = 'index.php';
var y = x.replace(/[#;&,.+*~':"!^$[\]()=>|\/]/g, "\\\\$&");
console.log($('#'+y));
$('#'+y).css('background-color','red');