57 lines
1.3 KiB
HTML
57 lines
1.3 KiB
HTML
<html>
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<head>
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<script>
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function doit()
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{
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var B = document.getElementById("span-B");
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B.customProperty = "B";
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B.parentNode.customProperty = "A";
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B.firstChild.customProperty = "C";
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document.getElementById("div").innerHTML = "<span>replacement content</span>";
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// create lots of objects to force a garbage collection
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var i = 0;
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var s;
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while (i < 5000) {
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i = i+1.11;
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s = s + " ";
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}
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var output= document.getElementById("output");
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output.innerHTML += B.customProperty + "<BR>";
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if (B.parentNode) {
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output.innerHTML += B.parentNode.customProperty + "<BR>";
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}
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if (B.firstChild) {
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output.innerHTML += B.firstChild.customProperty + "<BR>";
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}
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}
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if (window.testRunner) {
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testRunner.dumpAsText();
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}
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</script>
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</head>
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<body onload="doit()">
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<div style="border: 1px solid red">
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<p>
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This test verifies that JavaScript wrappers for DOM nodes are
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protected against garbage collection for node trees that are outside
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the document, so long as there's a reference to at least one node in
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the tree.
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</p>
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<p>
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The output should be the following pieces of text on lines by themselves: "replacement content", "B", "A", "C".
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</p>
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</div>
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<div id="div">
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<span id="span-A"><span id="span-B"><span id="span-C">original span</span></span></span>
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</div>
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<div id="output">
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</div>
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</body>
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</html> |