Added an improvement to quickExpr and some more tests for jQuery('html'). Fixes ...

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index 097ff42..5f2cf20 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -20,7 +20,7 @@ var jQuery = function( selector, context ) {
 
        // A simple way to check for HTML strings or ID strings
        // (both of which we optimize for)
-       quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
+       quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,
 
        // Is it a simple selector
        isSimple = /^.[^:#\[\.,]*$/,
@@ -70,12 +70,12 @@ jQuery.fn = jQuery.prototype = {
 
                                // HANDLE: $("#id")
                                } else {
-                                       elem = document.getElementById( match[3] );
+                                       elem = document.getElementById( match[2] );
 
                                        if ( elem ) {
                                                // Handle the case where IE and Opera return items
                                                // by name instead of ID
-                                               if ( elem.id !== match[3] ) return rootjQuery.find( selector );
+                                               if ( elem.id !== match[2] ) return rootjQuery.find( selector );
 
                                                // Otherwise, we inject the element directly into the jQuery object
                                                this.length++;
@@ -315,8 +315,7 @@ jQuery.extend({
        isXMLDoc: function( elem ) {
                // documentElement is verified for cases where it doesn't yet exist
                // (such as loading iframes in IE - #4833)
-               var documentElement = (elem.ownerDocument || elem).documentElement;
-               return !!documentElement && documentElement.nodeName !== "HTML";
+               return ((elem.ownerDocument || elem).documentElement || 0).nodeName !== "HTML";
        },
 
        // Evalulates a script in a global context