set-selector-text-attachment.html

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This WPT test may be referenced by the following Test IDs:
- /css/cssom/set-selector-text-attachment.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Setting selectorText does not detach rule</title>

<link rel="help" href="https://drafts.csswg.org/cssom-1/#dom-cssstylerule-selectortext">

<link rel="help" href="https://issues.chromium.org/issues/396612327">

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<style id=sheet>

  span {

    color: black;

</style>

<div>

  <span id=span>A</span>

</div>

<script>

  test(() => {

    let rule = sheet.sheet.cssRules[0];

    let style = rule.style;

    style.color = 'red';

    assert_equals(getComputedStyle(span).color, 'rgb(255, 0, 0)');

    rule.selectorText = '#span';

    style.color = 'green';

    assert_equals(getComputedStyle(span).color, 'rgb(0, 128, 0)');

  }, 'Modifying property value invalidates style, even after selectorText mutation');

</script>