Print lazy loaded images before printing

gistfile1.txt

const LoadLazyImagesAndPrint = () => {
  // Loop through every lazy loaded element
  const imageDivs = [...document.querySelectorAll('.image')]
    .map(imageDiv => {
      let image = imageDiv.querySelector('img');
      // Determine if the image is unloaded
      if (!image.src) {
        // Load the image element string from the accompanying <noscript> element
        const unloadedImageString = imageDiv.querySelector('noscript').innerText;
        // Replace the unloaded image
        image.outerHTML = unloadedImageString;
        // Append class name
        image.classList += ' is-loaded';
      }
    });

  setTimeout(() => window.print(), 2000);
};