// Callback function to execute when intersections are detected const callback = (entries, observer) => { entries.forEach(entry => { if (entry.isIntersecting) { console.log('Element is in view'); // Perform actions like loading images, animations, etc. } else { console.log('Element is out of view'); } }); }; // Options object const options = { root: null, // relative to the viewport rootMargin: '0px', // margin around the root //threshold: 0.1 // trigger callback when 10% of the element is visible treshold: 0, //means out of the viewport }; // Create an instance of IntersectionObserver with the callback and options const observer = new IntersectionObserver(callback, options); // Target element to be observed const target = document.querySelector('.target-element'); // Start observing the target element observer.observe(target);