newegg-scraper.js

const neweggUrl = 'https://www.newegg.ca/p/pl?d=rtx+3070&N=100007708&isdeptsrh=1';
function getInStock() {
  $.get({
    url: neweggUrl,
    dataType: 'html',
    success: function(data) {
      const timestamp = new Date().toLocaleTimeString();
      let inStockHtml = '';
      $(data).find('div.item-cell').each(function(i, el) {
        const isOutOfStock = /OUT OF STOCK/.test($(this).find('.item-info .item-promo').first().text());
        if (!isOutOfStock) {
          const link = $(this).find('.item-info a.item-title').first();
          const title = link.text();
          const href = link.attr('href');
          const price = $(this).find('.item-action .price .price-current').first().text();
          inStockHtml += `<li><a href="${href}">${price} - ${title}</a></li>`;
        }
      });
      $('#stock-updates').html(`<h3>Last checked: ${timestamp}</h3><ul>${inStockHtml}</ul>`);
    }
  });
}
$('body').prepend('<div id="stock-updates" style="font-size: 1.2em; padding: 20px; border: solid 4px #ff0000;"></div>');
setInterval(getInStock, 20000);