Make a feature detect for the attribute selected code. Fixes #5702.

[jquery.git] / src / support.js

diff --git a/src/support.js b/src/support.js
index ef5f010..3e99772 100644 (file)
--- a/src/support.js
+++ b/src/support.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
 
        jQuery.support = {};
 
@@ -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>';
+       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];
@@ -47,6 +47,15 @@
                // (IE uses styleFloat instead of cssFloat)
                cssFloat: !!a.style.cssFloat,
 
+               // Make sure that if no value is specified for a checkbox
+               // that it defaults to "on".
+               // (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,
+
                // Will be defined later
                scriptEval: false,
                noCloneEvent: true,
@@ -56,7 +65,7 @@
        script.type = "text/javascript";
        try {
                script.appendChild( document.createTextNode( "window." + id + "=1;" ) );
-       } catch(e){}
+       } catch(e) {}
 
        root.insertBefore( script, root.firstChild );
 
@@ -71,7 +80,7 @@
        root.removeChild( script );
 
        if ( div.attachEvent && div.fireEvent ) {
-               div.attachEvent("onclick", function click(){
+               div.attachEvent("onclick", function click() {
                        // Cloning a node shouldn't copy over any
                        // bound event handlers (IE does this)
                        jQuery.support.noCloneEvent = false;
@@ -83,7 +92,7 @@
        // 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(){
+       jQuery(function() {
                var div = document.createElement("div");
                div.style.width = div.style.paddingLeft = "1px";