<!DOCTYPE html>
<title>CSS Position: dynamic abspos table height changes</title>
<link rel="author" title="mailto:[email protected]">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://www.w3.org/TR/css-position-3/#abs-non-replaced-height">
<meta name="assert" content="Height changes for abspos table.">
<style>
#container {
width: 400px;
height: 300px;
background: green;
position: relative;
}
#target {
display: table;
background: red;
position: absolute;
top: 0;
width: 50%;
height: 100px;
}
</style>
<!-- There should be no red on this page -->
<div id="container">
<div id="target"></div>
</div>
<script>
document.body.offsetTop;
let target = document.querySelector("#target");
target.style.height = "auto";
test(() => {
assert_equals(window.getComputedStyle(target).height, "0px");
}, '#target height changed');
</script>