| <!doctype html> |
| <meta charset="utf-8"> |
| <title>Tests that after making a scrolling box a containing block, dynamically-inserted abspos boxes still get positioned correctly</title> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1735533"> |
| <link rel="help" href="https://drafts.csswg.org/css-position/#abspos-insets"> |
| <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> |
| <link rel="author" href="https://mozilla.org" title="Mozilla"> |
| <link rel="match" href="containing-block-change-scrollframe-ref.html"> |
| <style> |
| #container { |
| width: 400px; |
| height: 400px; |
| margin: 100px; |
| background-color: purple; |
| overflow: hidden; |
| } |
| #spacer { |
| height: 700px; |
| } |
| #bottom { |
| height: 100px; |
| background-color: green; |
| } |
| #abspos { |
| position: absolute; |
| width: 100px; |
| height: 100px; |
| background-color: green; |
| top: 400px; |
| left: 0; |
| } |
| </style> |
| <div id="container"> |
| <div id="spacer"></div> |
| <div id="bottom"></div> |
| </div> |
| <script> |
| let container = document.getElementById("container"); |
| container.scrollTop = 400; |
| container.getBoundingClientRect(); |
| container.style.position = "relative"; |
| container.getBoundingClientRect(); |
| let abspos = document.createElement("div"); |
| abspos.id = "abspos"; |
| container.appendChild(abspos); |
| </script> |
