<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow: line-clamp hidden abspos should count as ink overflow</title>
<link rel="author" title="Andreu Botella" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-overflow-4/#line-clamp">
<link rel="match" href="reference/line-clamp-with-abspos-011-ref.html">
<meta name="assert" content="Any overflowing content hidden from paint by line-clamp is treated as ink overflow, including absolute positioned boxes, and therefore doesn't cause the scrollable overflow rectangle to grow. Meanwhile, non-hidden abspos count as scrollable overflow.">
<style>
#scrollContainer {
overflow: scroll;
position: relative;
font: 16px / 32px serif;
height: 4lh;
border: 1px solid black;
}
.clamp {
line-clamp: 4;
padding: 0 4px;
white-space: pre;
background-color: yellow;
}
.abspos {
position: absolute;
right: 0;
width: 50px;
height: 50px;
margin: 4px;
background-color: skyblue;
}
#abspos1 {
top: 4.5lh;
}
#abspos2 {
top: 6lh;
}
</style>
<div id="scrollContainer">
<div class="clamp">Line 1
Line 2
Line 3
Line 4<div class="abspos" id="abspos1"></div>
Line 5
Line 6<div class="abspos" id="abspos2"></div></div>
</div>
<script>
window.addEventListener("load", () => {
const scrollContainer = document.getElementById("scrollContainer");
scrollContainer.scrollTop = scrollContainer.scrollHeight;
});
</script>