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 9767298..5821301 100644 (file)
--- a/src/support.js
+++ b/src/support.js
@@ -8,7 +8,7 @@
                id = "script" + now();
 
        div.style.display = "none";
-       div.innerHTML = "   <link/><table></table><a href='/a' style='color:red;float:left;opacity:.55;'>a</a><select><option>text</option></select><input type='checkbox'/>";
+       div.innerHTML = "   <link/><table></table><a href='/a' style='color:red;float:left;opacity:.55;'>a</a><input type='checkbox'/>";
 
        var all = div.getElementsByTagName("*"),
                a = div.getElementsByTagName("a")[0];
@@ -52,7 +52,15 @@
                // (WebKit defaults to "" instead)
                checkOn: div.getElementsByTagName("input")[0].value === "on",
 
+               // Make sure that a selected-by-default option has a working selected property.
+               // (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,
                boxModel: null
@@ -73,6 +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 ) {
@@ -85,9 +102,17 @@
                div.cloneNode(true).fireEvent("onclick");
        }
 
+       div = document.createElement("div");
+       div.innerHTML = "<input type='radio' name='radiotest' checked='checked'/>";
+
+       var fragment = document.createDocumentFragment();
+       fragment.appendChild( div.firstChild );
+
+       // WebKit doesn't clone checked state correctly in fragments
+       jQuery.support.checkClone = fragment.cloneNode(true).cloneNode(true).lastChild.checked;
+
        // Figure out if the W3C box model works as expected
        // document.body must exist before we can do this
-       // TODO: This timeout is temporary until I move ready into core.js.
        jQuery(function() {
                var div = document.createElement("div");
                div.style.width = div.style.paddingLeft = "1px";
@@ -95,6 +120,7 @@
                document.body.appendChild( div );
                jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;
                document.body.removeChild( div ).style.display = 'none';
+
                div = null;
        });