nodejs_tutorial_3.js

let grabPosts = await page.evaluate(() => {

      let allPosts = document.body.querySelectorAll('.Post');

      // storing the post items in an array then selecting for retrieving content

      scrapeItems = [];
      allPosts.forEach(item => {
          let postTitle = item.querySelector('h3');
          let postDescription = item.querySelector('p');

          scrapeItems.push({
              postTitle: postTitle ? postTitle.innerText : null,
              postDescription: postDescription ? postDescription.innerText : null,
          });
      });

      let items = {
          "redditPosts": scrapeItems,
      };

      return items;
});