Found a better detect for deleting an expando, added back in removeAttribute as it...

[jquery.git] / src / support.js

diff --git a/src/support.js b/src/support.js
index befc532..5821301 100644 (file)
--- a/src/support.js
+++ b/src/support.js
@@ -56,7 +56,10 @@
                // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
                optSelected: document.createElement("select").appendChild( document.createElement("option") ).selected,
 
+               parentNode: div.removeChild( div.appendChild( document.createElement("div") ) ).parentNode === null,
+
                // Will be defined later
+               deleteExpando: true,
                checkClone: false,
                scriptEval: false,
                noCloneEvent: true,
@@ -78,6 +81,15 @@
                delete window[ id ];
        }
 
+       // Test to see if it's possible to delete an expando from an element
+       // Fails in Internet Explorer
+       try {
+               delete script.test;
+       
+       } catch(e) {
+               jQuery.support.deleteExpando = false;
+       }
+
        root.removeChild( script );
 
        if ( div.attachEvent && div.fireEvent ) {
@@ -108,6 +120,7 @@
                document.body.appendChild( div );
                jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;
                document.body.removeChild( div ).style.display = 'none';
+
                div = null;
        });