JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html> 
<html lang="en">
<head> 
<meta charset="utf-8">
<meta name="robots" content="noindex, nofollow">
<title>BackEnd</title>
<link rel="stylesheet" type="text/css" href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/Inc/reset.css">
<link rel="stylesheet" type="text/css" href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/Inc/style.css">
<link rel="stylesheet" type="text/css" href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/Inc/redactor/redactor.css">
<script type="text/javascript" src="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/Inc/jquery-1.8.2.min.js"></script>
<script type="text/javascript" src="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/Inc/html5shiv.js"></script>
</head>
<body>
<div class="pageWrap headerWrap">
<header id="topPageHeader">
    <a href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend" title="Terug naar de beginpagina"><div>
    <hgroup>
    <h1>BackEnd :: licentie verleend aan Testbedrijf</h1>
    <h2>Content Management Module</h2>
    </hgroup>
    </div>
    </a>

    <nav id="alphaNav">
    <ul id="alphaNavOptions">
            <li><a href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/content.php?page=1" title="Content">Content</a></li>
            <li id="alphaNavActive"><a href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/menu.php?page=1" title="Menu">Menu</a></li>
            <li><a href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/instellingen.php" title="Instellingen">Instellingen</a></li>
        </ul>
    </nav>
    </header>

    <div class="betaNavWrap">
        <nav id="betaNav">
        <ul id="betaNavOptions">
            <li id="betaNavActive"><a href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/menu.php?page=1" title="Home">Home</a></li>
            <li><a href="http://www.mauricekappelhof.nl/work/TemplateTest/Backend/menu.php?page=2" title="Pagina 2">Pagina 2</a></li>
            <li><a...

JavaScript

$(function(){
        $('#title').keyup(function(e){
            var e = e || window.event;
            $('#link').val($(this).val().replace(/\s/g, '_'));
        });
    });