1 files changed, 20 insertions, 1 deletions
diff --git a/src/manipulation.js b/src/manipulation.js
index 35c9544ff..bc2af18dc 100644
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -20,7 +20,23 @@ var rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
 		col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
 		area: [ 1, "<map>", "</map>" ],
 		_default: [ 0, "", "" ]
-	};
+	},
+	safeFragment = (function() {
+		var nodeNames = (
+			"abbr article aside audio canvas datalist details figcaption figure footer " +
+			"header hgroup mark meter nav output progress section summary time video"
+		).split( " " ),
+		safeFrag = document.createDocumentFragment();
+
+		if ( safeFrag.createElement ) {
+			while ( nodeNames.length ) {
+				safeFrag.createElement(
+					nodeNames.pop()
+				);
+			}
+		}
+		return safeFrag;
+	})();
 
 wrapMap.optgroup = wrapMap.option;
 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
@@ -625,6 +641,9 @@ jQuery.extend({
 						depth = wrap[0],
 						div = context.createElement("div");
 
+					// Append wrapper element to unknown element safe doc fragment
+					safeFragment.appendChild( div );
+
 					// Go to html and back, then peel off extra wrappers
 					div.innerHTML = wrap[1] + elem + wrap[2];