A partial rollback of the refactoring done in [4032]. It was causing a 4-6% speed...
authorDavid Serduke <davidserduke@gmail.com>
Wed, 5 Dec 2007 21:23:07 +0000 (21:23 +0000)
committerDavid Serduke <davidserduke@gmail.com>
Wed, 5 Dec 2007 21:23:07 +0000 (21:23 +0000)
The part left in was moving one of the .toUpperCase() calls to the var nodeName instead of having it in the loop.  This appears to be giving a speed boost of a couple percent for those same hierarchy selectors.

src/selector.js

index 70e988d..da27245 100644 (file)
@@ -104,7 +104,7 @@ jQuery.extend({
                context = context || document;
 
                // Initialize the search
-               var ret = [context], done = [], last;
+               var ret = [context], done = [], last, nodeName;
 
                // Continue while a selector expression exists, and while
                // we're no longer looping upon ourselves
@@ -122,12 +122,12 @@ jQuery.extend({
                        var m = re.exec(t);
 
                        if ( m ) {
-                               var nodeName = m[1];
+                               nodeName = m[1].toUpperCase();
 
                                // Perform our own iteration and filter
                                for ( var i = 0; ret[i]; i++ )
                                        for ( var c = ret[i].firstChild; c; c = c.nextSibling )
-                                               if ( c.nodeType == 1 && (nodeName == "*" || jQuery.nodeName(c, nodeName)) )
+                                               if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName) )
                                                        r.push( c );
 
                                ret = r;
@@ -140,7 +140,7 @@ jQuery.extend({
                                if ( (m = re.exec(t)) != null ) {
                                        r = [];
 
-                                       var nodeName = m[2], merge = {};
+                                       nodeName = m[2].toUpperCase(), merge = {};
                                        m = m[1];
 
                                        for ( var j = 0, rl = ret.length; j < rl; j++ ) {
@@ -151,7 +151,7 @@ jQuery.extend({
 
                                                                if ( m == "~" && merge[id] ) break;
                                                                
-                                                               if (!nodeName || jQuery.nodeName(n, nodeName)) {
+                                                               if (!nodeName || n.nodeName.toUpperCase() == nodeName ) {
                                                                        if ( m == "~" ) merge[id] = true;
                                                                        r.push( n );
                                                                }
@@ -436,3 +436,4 @@ jQuery.extend({
                return r;
        }
 });
+