7th-Grade-History.user.js

// ==UserScript==
// @name         7th Grade History 2017 Collection Highlighter
// @namespace    http://kentdenver.org/
// @version      0.1
// @description  Highlights local resources during book searches
// @author       Alex Clement
// @match        http://kentdenver.catalog.aspencat.info/Union/Search*
// @match        http://kentdenver.catalog.aspencat.info/Search*
// @downloadURL https://gist.github.com/MrClement/bd64a25d89928d9edee48963a9e8589b/raw/7th-Grade-History.user.js
// @updateURL https://gist.github.com/MrClement/bd64a25d89928d9edee48963a9e8589b/raw/7th-Grade-History.user.js
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var list = [];
    var xhr = new XMLHttpRequest();
    xhr.onload = function() {
        var results = this.responseXML.querySelectorAll('div.result');
        for(var i = 0; i < results.length; i++) {
            var result = results[i];
            var id = result.querySelector('a').name;
            var title = result.querySelector('a.result-title').text;
            var author_spot = result.querySelector('a[href^="/Author"]');
            var author = author_spot ? author_spot.text : ""; 
            list.push({id: id, title: title, author: author});
        }
        var xhr2 = new XMLHttpRequest();
        xhr2.onload = function() {
            var results = this.responseXML.querySelectorAll('div.result');
            for(var i = 0; i < results.length; i++) {
                var result = results[i];
                var id = result.querySelector('a').name;
                var title = result.querySelector('a.result-title').text;
                var author_spot = result.querySelector('a[href^="/Author"]');
                var author = author_spot ? author_spot.text : ""; 
                list.push({id: id, title: title, author: author});
            }
            var curList = document.querySelectorAll('div.result');
            for(var i = 0; i < curList.length; i++) {
                var curEl = curList[i];
                for(var j = 0; j < list.length; j++) {
                    if(list[j].id == curEl.querySelector('a').id) {
                        curEl.style.backgroundColor = "rgba(0, 255, 100, .2)";
                    }
                }
            }

        };
        xhr2.open("GET", "http://kentdenver.catalog.aspencat.info/MyAccount/MyList/1301?pagesize=200&showCovers=off");
        xhr2.responseType = "document";
        xhr2.send();
    };
    xhr.open("GET", "http://kentdenver.catalog.aspencat.info/MyAccount/MyList/1299?pagesize=200&showCovers=off");
    xhr.responseType = "document";
    xhr.send();
})();