Skip around inserting a fragment when possible (insert the node directly).

[jquery.git] / src / manipulation.js

diff --git a/src/manipulation.js b/src/manipulation.js
index ed049de..93950de 100644 (file)
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -296,7 +296,7 @@ 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 +320,14 @@ 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 +337,14 @@ 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 );
                        }
                }
@@ -415,13 +421,20 @@ jQuery.each({
 }, function( name, original ) {
        jQuery.fn[ name ] = function( selector ) {
                var ret = [], insert = jQuery( selector );
-
-               for ( var i = 0, l = insert.length; i < l; i++ ) {
-                       var elems = (i > 0 ? this.clone(true) : this).get();
-                       jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
-                       ret = ret.concat( elems );
+               
+               if ( this.length === 1 && this[0].parentNode && this[0].parentNode.nodeType === 11 && insert.length === 1 ) {
+                       insert[ original ]( this[0] );
+                       return this;
+                       
+               } else {
+                       for ( var i = 0, l = insert.length; i < l; i++ ) {
+                               var elems = (i > 0 ? this.clone(true) : this).get();
+                               jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
+                               ret = ret.concat( elems );
+                       }
+               
+                       return this.pushStack( ret, name, insert.selector );
                }
-               return this.pushStack( ret, name, insert.selector );
        };
 });
 
@@ -436,13 +449,13 @@ jQuery.extend({
 
                var ret = [];
 
-               jQuery.each(elems, function( i, elem ) {
+               for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
                        if ( typeof elem === "number" ) {
                                elem += "";
                        }
 
                        if ( !elem ) {
-                               return;
+                               continue;
                        }
 
                        // Convert html string into DOM nodes
@@ -493,7 +506,7 @@ jQuery.extend({
                                        div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild );
                                }
 
-                               elem = jQuery.makeArray( div.childNodes );
+                               elem = div.childNodes;
                        }
 
                        if ( elem.nodeType ) {
@@ -501,13 +514,13 @@ jQuery.extend({
                        } else {
                                ret = jQuery.merge( ret, elem );
                        }
-
-               });
+               }
 
                if ( fragment ) {
                        for ( var i = 0; ret[i]; i++ ) {
                                if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
                                        scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
+                               
                                } else {
                                        if ( ret[i].nodeType === 1 ) {
                                                ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );