HTLAL Fixups (userscript for Chrome)

htlal.user.js

// ==UserScript==
// @name HTLAL Fixups
// @description Make how-to-learn-any-language.com work a bit better.
// @match http://how-to-learn-any-language.com/*
// ==/UserScript==

// Fix word-wrap in textareas, so URLs don't get broken and posts don't get
// formatted strangely.
var textareas = document.getElementsByTagName("textarea");
for (var i = 0; i < textareas.length; i++) {
    var textarea = textareas[i];
    textarea.removeAttribute("wrap");
}

// Find anchors for specific comments.
var anchors = document.querySelectorAll("a[name]");
var commentAnchors = new Array();
for (var i = 0; i < anchors.length; i++) {
    var a = anchors[i];
    if (a.getAttribute("name").match(/^\d+$/)) {
        commentAnchors.push(a);
    }
}

// Add permalinks to each post.
for (var i = 0; i < commentAnchors.length; i++) {
    var a = commentAnchors[i];
    var name = a.getAttribute("name");

    var permalink = document.createElement("a");
    var text = document.createTextNode("permalink");    
    permalink.appendChild(text);
    permalink.setAttribute("href", "#" + name);

    // Carefully attach it
    var tr = a.parentNode.parentNode;
    if (tr.nodeName.toLowerCase() === "tr") {
        var td = tr.children[tr.children.length-1];
        if (td.nodeName.toLowerCase() === "td") {
            var spacer = document.createTextNode(" | ");
            td.appendChild(spacer);
            td.appendChild(permalink);
        }
    }
}