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

diff --git a/src/manipulation.js b/src/manipulation.js
index 01c6b0ba70a0b6df1d68aab44230a73c4c5ee977..93950de0f2472ba298e6ff401e00c8bf21ffbf7f 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 );
                        }
                }