a";
var all = div.getElementsByTagName("*"),
a = div.getElementsByTagName("a")[0];
@@ -20,7 +20,7 @@
jQuery.support = {
// IE strips leading whitespace when .innerHTML is used
- leadingWhitespace: div.firstChild.nodeType == 3,
+ leadingWhitespace: div.firstChild.nodeType === 3,
// Make sure that tbody elements aren't automatically inserted
// IE will insert them into empty tables
@@ -40,12 +40,22 @@
// Make sure that element opacity exists
// (IE uses filter instead)
- opacity: a.style.opacity === "0.55",
+ // Use a regex to work around a WebKit issue. See #5145
+ opacity: /^0.55$/.test( a.style.opacity ),
// Verify style float existence
// (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,
@@ -55,7 +65,7 @@
script.type = "text/javascript";
try {
script.appendChild( document.createTextNode( "window." + id + "=1;" ) );
- } catch(e){}
+ } catch(e) {}
root.insertBefore( script, root.firstChild );
@@ -70,7 +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;
@@ -81,7 +91,8 @@
// Figure out if the W3C box model works as expected
// document.body must exist before we can do this
- jQuery(function(){
+ // 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";