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| 1 | +<!doctype html> |
| 2 | +<meta charset=utf-8> |
| 3 | +<title>Node.appendChild: inserting script and default-style meta from a fragment</title> |
| 4 | +<link rel=help href="https://dom.spec.whatwg.org/#dom-node-appendChild"> |
| 5 | +<link rel=help href="https://dom.spec.whatwg.org/#concept-node-insert"> |
| 6 | +<link rel=help href="https://github.com/whatwg/dom/issues/575"> |
| 7 | +<script src=/resources/testharness.js></script> |
| 8 | +<script src=/resources/testharnessreport.js></script> |
| 9 | +<link rel="stylesheet" href="data:text/css,"> |
| 10 | +<link rel="alternate stylesheet" title="alternative" href="data:text/css,%23div{display:none}"> |
| 11 | +</head> |
| 12 | +<body> |
| 13 | +<div id="log"></div> |
| 14 | +<div id="div">hello</div> |
| 15 | +<script> |
| 16 | +var div = document.getElementById("div"); |
| 17 | + |
| 18 | +var meta = document.createElement("meta"); |
| 19 | +meta.httpEquiv = "default-style"; |
| 20 | +meta.content = "alternative"; |
| 21 | + |
| 22 | +var script = document.createElement("script"); |
| 23 | +var scriptRan = false; |
| 24 | +script.textContent = ` |
| 25 | + assert_equals(getComputedStyle(div).display, "none", "div is still visible"); |
| 26 | + scriptRan = true; |
| 27 | +`; |
| 28 | + |
| 29 | +var df = document.createDocumentFragment(); |
| 30 | +df.appendChild(script); |
| 31 | +df.appendChild(meta); |
| 32 | + |
| 33 | +assert_equals(getComputedStyle(div).display, "block", "div is not a block"); |
| 34 | +assert_false(scriptRan, "script ran"); |
| 35 | +document.head.appendChild(df); |
| 36 | +assert_true(scriptRan, "script has not run"); |
| 37 | +assert_equals(getComputedStyle(div).display, "none", "div is still visible after insertion"); |
| 38 | +done(); |
| 39 | +</script> |
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