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function testAsChild(tag)
{
var markup = "<p>1<" + tag + ">";
var container = document.createElement("body");
container.innerHTML = markup;
if (container.childNodes.length == 1)
return "allowed";
if (container.lastChild.tagName.toLowerCase() == tag)
return "closed";
return "other";
}
function testAsGrandchild(tag, intermediateTag)
{
var markup = "<p>1<" + intermediateTag + ">2<" + tag + ">3";
var container = document.createElement("body");
container.innerHTML = markup;
if (container.childNodes.length == 1)
return "allowed";
if (container.firstChild.lastChild && container.firstChild.lastChild.tagName && container.firstChild.lastChild.tagName.toLowerCase() == tag)
return "allowed";
return "closed";
}
function log(message)
{
document.getElementById("console").appendChild(document.createTextNode(message + "\n\r"));
}
var leafTags = [
"address",
"blockquote",
"center",
"dir",
"div",
"dl",
"fieldset",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"menu",
"ol",
"p",
"ul",
"pre",
"listing",
"form",
"hr",
"li",
"dd",
"dt",
"plaintext",
"table",
];
var intermediateTags = [
"a", // formatting
"b", // formatting
"big", // formatting
"em", // formatting
"i", // formatting
"s", // formatting
"small", // formatting
"strike", // formatting
"strong", // formatting
"tt", // formatting
"u", // formatting
"abbr",
"acronym",
"bdo",
"cite",
"code",
"dfn",
"kbd",
"q",
"samp",
"sub",
"sup",
"var",
"font", // formatting
"nobr", // formatting
"button", // scoping
"applet", // scoping
"object", // scoping
"span", // phrasing
"del", // phrasing?
"ins", // phrasing?
"marquee", // scoping
];
if (window.testRunner)
testRunner.dumpAsText();
var headerRow = document.getElementById("header-row");
for (var i = 0; i < intermediateTags.length; ++i)
headerRow.appendChild(document.createElement("th")).appendChild(document.createTextNode(intermediateTags[i]));
for (var i = 0; i < leafTags.length; ++i) {
var tag = leafTags[i];
var row = document.getElementById("results").appendChild(document.createElement("tr"));
row.appendChild(document.createElement("td")).appendChild(document.createTextNode(tag));
var asChild = testAsChild(tag);
var cell = row.appendChild(document.createElement("td"));
cell.className = asChild;
cell.appendChild(document.createTextNode(asChild == "allowed" ? "+" : asChild == "closed" ? "-" : "?"));
for (var j = 0; j < intermediateTags.length; ++j) {
var intermediateTag = intermediateTags[j];
var asGrandchild = testAsGrandchild(tag, intermediateTag);
cell = row.appendChild(document.createElement("td"));
cell.className = asGrandchild;
cell.appendChild(document.createTextNode(asGrandchild == "allowed" ? "+" : asGrandchild == "closed" ? "-" : "?"));
}
}
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