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 var news = await page.evaluate(() => {
      var titleNodeList = document.querySelectorAll(`a.storylink`);
      var ageList = document.querySelectorAll(`span.age`);
      var scoreList = document.querySelectorAll(`span.score`);
      var titleLinkArray = [];
      for (var i = 0; i < titleNodeList.length; i++) {
        titleLinkArray[i] = {
          title: titleNodeList[i].innerText.trim(),
          link: titleNodeList[i].getAttribute("href"),
          age: ageList[i].innerText.trim(),
          score: scoreList[i].innerText.trim()
        };
      }
      return titleLinkArray;
    });
    
      fs.writeFile("hackernews.json", JSON.stringify(news), function(err) {
      if (err) throw err;
      console.log("Saved!");
    });