CODE EXAMPLE FOR JAVASCRIPT

scroll value bottom js

window.onscroll = function() {
    let d = document.documentElement;
    let offset = d.scrollTop + window.innerHeight;
    let height = d.offsetHeight;

    console.log('offset = ' + offset);
    console.log('height = ' + height);

    if (offset >= height) {
        console.log('At the bottom');
    }
};