apify-main.js

const Apify = require('apify');

const CATS_URL = 'https://petharbor.com/results.asp?searchtype=ADOPT&start=1&miles=20&shelterlist=%27HAMP%27&zip=&where=type_CAT&nosuccess=1&nomax=1&rows=25&nobreedreq=1&nopod=1&nocustom=1&samaritans=1&view=sysadm.v_hamp&imgres=detail&stylesheet=https://cbbb1e2ef05c549bf4c2-7b792f487d9839572907a6863bac8ad2.ssl.cf5.rackcdn.com/petharbor.css&grid=1&NewOrderBy=Name&text=000000&link=007c0f&col_bg=ffffff';
const DOGS_URL = 'https://petharbor.com/results.asp?searchtype=ADOPT&start=1&miles=20&shelterlist=%27HAMP%27&zip=&where=type_DOG&nosuccess=1&nomax=1&rows=25&nobreedreq=1&nopod=1&nocustom=1&samaritans=1&view=sysadm.v_hamp&imgres=detail&stylesheet=https://cbbb1e2ef05c549bf4c2-7b792f487d9839572907a6863bac8ad2.ssl.cf5.rackcdn.com/petharbor.css&grid=1&NewOrderBy=Name&text=000000&link=007c0f&col_bg=ffffff';

Apify.main(async () => {
    
    // create request queue for all start URLs
    const requestQueue = await Apify.openRequestQueue();
    await requestQueue.addRequest(new Apify.Request({ url: CATS_URL }));
    await requestQueue.addRequest(new Apify.Request({ url: DOGS_URL }));

    // create the crawler
    const crawler = new Apify.PuppeteerCrawler({
        requestQueue,

        handlePageFunction: async ({ page, request }) => {
            // get the URLs we will be extracting the data from
            let detailUrls = await page.$$eval('.GridResultsContainer a', elems => elems.map(elem => elem.href));
            console.log('detailUrls: ' + detailUrls);
            
            await Apify.pushData(detailUrls);
        } // goto and onfailedrequest funcs?
    });

    // run the crawler
    await crawler.run();
});