Optimized the clean() code to no longer use .trim() (speeds up working against long...

diff --git a/src/core.js b/src/core.js
index 3f6c1f7..3a9eaa7 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -855,7 +855,7 @@ jQuery.extend({
                                });
 
                                // Trim whitespace, otherwise indexOf won't work as expected
-                               var tags = jQuery.trim( elem ).toLowerCase();
+                               var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase();
 
                                var wrap =
                                        // option or optgroup
@@ -895,11 +895,12 @@ jQuery.extend({
                                if ( !jQuery.support.tbody ) {
 
                                        // String was a <table>, *may* have spurious <tbody>
-                                       var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
-                                               div.firstChild && div.firstChild.childNodes :
+                                       var hasBody = /<tbody/i.test(elem),
+                                               tbody = !tags.indexOf("<table") && !hasBody ?
+                                                       div.firstChild && div.firstChild.childNodes :
 
                                                // String was a bare <thead> or <tfoot>
-                                               wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
+                                               wrap[1] == "<table>" && !hasBody ?
                                                        div.childNodes :
                                                        [];