Add a next page button to the bottom of Learn C The Hard Way
// ==UserScript==
// @name Learn C The Hard Way Next Page
// @namespace http://cyanium.com/
// @version 0.1
// @description Add a next page button to the bottom of Learn C The Hard Way
// @match http://c.learncodethehardway.org/book/*
// @grant none
// @copyright 2012+, Ry167
// ==/UserScript==
(function(){
var loc = window.location.href;
var number = parseInt(loc.match(/\d+/)[0])+1;
var href = "http://c.learncodethehardway.org/book/ex"+number+".html";
var link = document.createElement('a');
link.setAttribute('href', href);
link.innerText = "Next Page";
link.setAttribute('style',"font-size:69px");
document.getElementById("extra-credit").appendChild(link);
})();