| <!DOCTYPE html> | |
| <link rel="help" href="https://drafts.csswg.org/cssom-view-1/#extensions-to-the-htmlelement-interface"> | |
| <script src="/resources/testharness.js"></script> | |
| <script src="/resources/testharnessreport.js"></script> | |
| <span id="parent" style="position:relative;"> | |
| <div id="target"></div> | |
| </span> | |
| <script> | |
| test(function() { | |
| const target = document.getElementById('target'); | |
| const parent = document.getElementById('parent'); | |
| assert_equals(target.offsetParent, parent); | |
| }); | |
| </script> |