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- <!DOCTYPE HTML>
- <html class="reftest-wait">
- <head>
- <script>
- function tweak() {
- if (!document.body.createShadowRoot) {
- document.documentElement.className = "";
- return;
- }
- var host = document.getElementById("host");
- var shadow = host.createShadowRoot();
- var textNode = document.createTextNode(" World");
- shadow.appendChild(textNode);
- // Create a selection with focus preceeding anchor
- var selection = window.getSelection();
- var range = document.createRange();
- range.setStart(shadow, 1);
- range.setEnd(shadow, 1);
- selection.addRange(range);
- selection.extend(shadow, 0);
- // Extend selection into a different node tree
- // (from ShadowRoot into the previous node in the parent node tree).
- setTimeout(function() {
- selection.extend(document.getElementById("previous"), 0);
- document.documentElement.className = '';
- }, 100);
- }
- </script>
- </head>
- <body onload="tweak()">
- <span id="previous">Hello</span><span id="host"></span>
- </body>
- </html>
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