X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fmanipulation.js;h=2dccc759255574810ac6881e4d4c4b25ba6ea079;hb=f95147f465932cb91e1a6aace50c556820ca4074;hp=01c6b0ba70a0b6df1d68aab44230a73c4c5ee977;hpb=0db207da238e879dad20f68178e6248750d3b984;p=jquery.git

diff --git a/src/manipulation.js b/src/manipulation.js
index 01c6b0b..2dccc75 100644
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -5,6 +5,7 @@ var rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
 	rtagName = /<([\w:]+)/,
 	rtbody = /<tbody/i,
 	rhtml = /<|&\w+;/,
+	rnocache = /<script|<object|<embed/i,
 	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,  // checked="checked" or checked (html5)
 	fcloseTag = function( all, front, tag ) {
 		return rselfClosing.test( tag ) ?
@@ -196,13 +197,15 @@ jQuery.fn.extend({
 				// as properties will not be copied (such as the
 				// the name attribute on an input).
 				var html = this.outerHTML, ownerDocument = this.ownerDocument;
-				if ( !html ) {
+				if ( !html || jQuery.nodeName( this, "form" ) ) {
 					var div = ownerDocument.createElement("div");
 					div.appendChild( this.cloneNode(true) );
 					html = div.innerHTML;
 				}
 
 				return jQuery.clean([html.replace(rinlinejQuery, "")
+					// Handle the case in IE 8 where action=/test/> self-closes a tag
+					.replace(/=([^="'>\s]+\/)>/g, '="$1">')
 					.replace(rleadingWhitespace, "")], ownerDocument)[0];
 			} else {
 				return this.cloneNode(true);
@@ -226,7 +229,7 @@ jQuery.fn.extend({
 				null;
 
 		// See if we can take a shortcut and just use innerHTML
-		} else if ( typeof value === "string" && !/<script/i.test( value ) &&
+		} else if ( typeof value === "string" && !rnocache.test( value ) &&
 			(jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value )) &&
 			!wrapMap[ (rtagName.exec( value ) || ["", ""])[1].toLowerCase() ] ) {
 
@@ -296,7 +299,7 @@ jQuery.fn.extend({
 	},
 
 	domManip: function( args, table, callback ) {
-		var results, first, value = args[0], scripts = [];
+		var results, first, value = args[0], scripts = [], fragment;
 
 		// We can't cloneNode fragments that contain checked, in WebKit
 		if ( !jQuery.support.checkClone && arguments.length === 3 && typeof value === "string" && rchecked.test( value ) ) {
@@ -320,8 +323,14 @@ jQuery.fn.extend({
 			} else {
 				results = buildFragment( args, this, scripts );
 			}
-
-			first = results.fragment.firstChild;
+			
+			fragment = results.fragment;
+			
+			if ( fragment.childNodes.length === 1 ) {
+				first = fragment = fragment.firstChild;
+			} else {
+				first = fragment.firstChild;
+			}
 
 			if ( first ) {
 				table = table && jQuery.nodeName( first, "tr" );
@@ -331,14 +340,14 @@ jQuery.fn.extend({
 						table ?
 							root(this[i], first) :
 							this[i],
-						results.cacheable || this.length > 1 || i > 0 ?
-							results.fragment.cloneNode(true) :
-							results.fragment
+						i > 0 || results.cacheable || this.length > 1  ?
+							fragment.cloneNode(true) :
+							fragment
 					);
 				}
 			}
 
-			if ( scripts ) {
+			if ( scripts.length ) {
 				jQuery.each( scripts, evalScript );
 			}
 		}
@@ -378,10 +387,16 @@ function cloneCopyEvent(orig, ret) {
 }
 
 function buildFragment( args, nodes, scripts ) {
-	var fragment, cacheable, cacheresults, doc;
+	var fragment, cacheable, cacheresults,
+		doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
+
+	// Only cache "small" (1/2 KB) strings that are associated with the main document
+	// Cloning options loses the selected state, so don't cache them
+	// IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
+	// Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
+	if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && doc === document &&
+		!rnocache.test( args[0] ) && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) {
 
-	// webkit does not clone 'checked' attribute of radio inputs on cloneNode, so don't cache if string has a checked
-	if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexOf("<option") < 0 && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) {
 		cacheable = true;
 		cacheresults = jQuery.fragments[ args[0] ];
 		if ( cacheresults ) {
@@ -392,7 +407,6 @@ function buildFragment( args, nodes, scripts ) {
 	}
 
 	if ( !fragment ) {
-		doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
 		fragment = doc.createDocumentFragment();
 		jQuery.clean( args, doc, fragment, scripts );
 	}