Hilight newest stories on Reddit

user.js

// ==UserScript==
// @name         Hilight newest stories on Reddit
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       Dee Newcum
// @match        https://old.reddit.com/
// @match        https://old.reddit.com/?*
// @description  Highlights text within HTML
// @require      https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js
// ==/UserScript==


// TODO: Get this working on mobile Firefox.


function background_colors_by_time() {
    // uses jQuery
    //$('time:contains("an hour ago")').css("background-color", "lightgreen");
    //$("time:contains('an hour ago')").css("background-color", "lightgreen");
    $("time.live-timestamp").each(function() {
        //var txt = $( this ).text().replace(/^\d+ (?=minutes? ago)$/, "# ");
        var txt = $( this ).text().replace(/^\d+ minutes? ago$/, "# minutes ago");
        switch (txt) {
            case "just now":
            case "# minutes ago":
            case "1 hour ago":
                $( this ).css("background-color", "lightgreen");
                break;
            case "2 hours ago":
            case "3 hours ago":
                $( this ).css("background-color", "yellow");
                break;
            case "4 hours ago":
                $( this ).css("background-color", "#ff9999");
                break;
            default:
                //$( this ).css("background-color", "lightred");
                break;
        }
    });

    // Remove color backgrounds from flair, so the time-backgrounds stand out. (this is primarily for old.reddit.com, which has a much more overall-white look)
    $("span.flairrichtext").css("background-color", "transparent").css("color", "black");
}

(function() {
    //'use strict';
    background_colors_by_time();

    // Giant hack to support https://github.com/honestbleeps/Reddit-Enhancement-Suite/blob/master/lib/modules/neverEndingReddit.js
    // This is somewhat efficient, but it works with minimal effort on my part.
    $( window ).scroll(function() {
        background_colors_by_time();
    });
})();