File: move-paragraphboundary-cross-editing-boundary.tentative.html

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<!doctype html>
<meta charset="utf-8">
<link rel="author" title="Peng Zhou" href="mailto:zhoupeng.1996@bytedance.com">
<link rel="help" href="https://github.com/w3c/selection-api/issues/179">
<link rel="help" href="https://issues.chromium.org/issues/41484126">
<title>Selection.modify(): move by paragraphboundary cross editing boundary</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div contenteditable>this <a contenteditable="false">link</a> after</div>
<script>
const selection = getSelection();
const editable = document.querySelector('div');
function runTest() {
  selection.collapse(editable.childNodes[2], 6);
  selection.modify('move', 'backward', 'paragraphboundary');
  assert_equals(selection.anchorNode.nodeValue, 'this ');
  assert_equals(selection.anchorOffset, 0);
}

test(() => {
  runTest();
}, 'cross editing boundary');

test(() => {
  editable.setAttribute('contenteditable', true);
  runTest();
});
</script>