| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-window-screenleft"> |
| <link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-window-screentop"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| test(() => { |
| assert_equals(typeof window.screenLeft, "number", "screenLeft type"); |
| assert_equals(window.screenLeft, window.screenX, "alias of screenX"); |
| }, "screenLeft"); |
| |
| test(() => { |
| assert_equals(typeof window.screenTop, "number", "screenTop type"); |
| assert_equals(window.screenTop, window.screenY, "alias of screenY"); |
| }, "screenTop"); |
| </script> |
