| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>getComputedStyle() returns live values</title> |
| <link rel="help" href="https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <!-- regression test for https://github.com/jsdom/jsdom/issues/3562 --> |
| |
| <div id="div"></div> |
| |
| <script> |
| "use strict"; |
| |
| test(() => { |
| const div = document.getElementById("div"); |
| const computedStyles = window.getComputedStyle(div); |
| assert_equals(computedStyles.backgroundColor, "rgba(0, 0, 0, 0)", "before"); |
| |
| div.style.setProperty("background-color", "red"); |
| assert_equals(computedStyles.backgroundColor, "rgb(255, 0, 0)", "after"); |
| }); |
| </script> |