silvester-23/static/lazy.js

window.onload = function () {
    // Get all <img> elements with loading="lazy"
    var lazyImages = document.querySelectorAll('img[loading="lazy"]');

    console.log(lazyImages)

    // Loop through each image and apply the fade-in effect
    lazyImages.forEach(function (lazyImage) {
      lazyImage.classList.add('lazy-image');
      var img = new Image();
      img.src = lazyImage.src;
      img.onload = function () {
          lazyImage.style.opacity = 1;
      };
    });
};