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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Reference</title>
<style>
#scrollContainer {
overflow: scroll;
position: relative;
font: 16px / 32px serif;
height: 4lh;
border: 1px solid black;
}
.clamp {
padding: 0 4px;
white-space: pre;
background-color: yellow;
}
.abspos {
position: absolute;
top: 4.5lh;
right: 0;
width: 50px;
height: 50px;
margin: 4px;
background-color: skyblue;
}
</style>
<div id="scrollContainer">
<div class="clamp">Line 1
Line 2
Line 3
Line 4…<div class="abspos"></div></div>
<script>
window.addEventListener("load", () => {
const scrollContainer = document.getElementById("scrollContainer");
scrollContainer.scrollTop = scrollContainer.scrollHeight;
});
</script>