File: position-absolute-abspos-table-dynamic.html

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<!DOCTYPE html>
<title>CSS Position: dynamic abspos table height changes</title>
<link rel="author" title="mailto:atotic@google.com">
<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>