Make .attr(name, null) equivalent to removeAttr(name). (Was roughly this before ...

[jquery.git] / src / support.js

diff --git a/src/support.js b/src/support.js
index 75e89dd..d35dbed 100644 (file)
--- a/src/support.js
+++ b/src/support.js
@@ -13,7 +13,9 @@
        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];
+               a = div.getElementsByTagName("a")[0],
+               select = document.createElement("select"),
+               opt = select.appendChild( document.createElement("option") );
 
        // Can't get basic test support
        if ( !all || !all.length || !a ) {
@@ -56,15 +58,21 @@
 
                // 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,
+               optSelected: opt.selected,
 
                // Will be defined later
+               optDisabled: false,
                checkClone: false,
                scriptEval: false,
                noCloneEvent: true,
                boxModel: null
        };
 
+       // Make sure that the options inside disabled selects aren't marked as disabled
+       // (WebKit marks them as diabled)
+       select.disabled = true;
+       jQuery.support.optDisabled = !opt.disabled;
+
        script.type = "text/javascript";
        try {
                script.appendChild( document.createTextNode( "window." + id + "=1;" ) );