Fixed bug that prevented $= from working on elements that didn't have the specified...

diff --git a/src/selector/selector.js b/src/selector/selector.js
index 83b27e9..5f6f87b 100644 (file)
--- a/src/selector/selector.js
+++ b/src/selector/selector.js
@@ -340,7 +340,7 @@ jQuery.extend({
                                        var a = r[i], z = a[ jQuery.props[m[2]] || m[2] ];
                                        
                                        if ( z == null || /href|src/.test(m[2]) )
-                                               z = jQuery.attr(a,m[2]);
+                                               z = jQuery.attr(a,m[2]) || '';
 
                                        if ( (type == "" && !!z ||
                                                 type == "=" && z == m[5] ||