Infinite_Scroll/test.html at master · cuber15/Infinite_Scroll · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    #content{
        background-color: rgb(79, 192, 79);
        height: 60px;
        color: black;
        font-size: 30px;
        padding:20px;
        margin-top:20px;
    }
</style>
<script>
    let quantity=20;
    let counter=1;
    window.onscroll= () => {
        if(window.innerHeight+window.scrollY>=document.body.offsetHeight)
        {
            load();
        }
    }

    document.addEventListener('DOMContentLoaded',load)
    function load(){
        let start=counter;
        let end=start+quantity-1;
        counter=end+1;

        for(let i=start;i<=end;i++)
        {
            let element=document.createElement('div')
            element.id='content';
            element.innerHTML=`Post #${i}`;
            document.getElementById('body').appendChild(element);
        }
    }
</script>
<body id="body">
    <h1 style="text-align: center;"> HELLO </h1>
</body>
</html>