X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fsupport.js;h=75e89dd0e670b349c0c1b643478a9e001c398e07;hb=8691a826c0110639480b3eae9e21db05d72bf305;hp=ad8566d8bd047ab106d5f5d4b48bb3f9636c0f1f;hpb=d42afd0f657d12d6daba6894d40226bea83fe1b6;p=jquery.git

diff --git a/src/support.js b/src/support.js
index ad8566d..75e89dd 100644
--- a/src/support.js
+++ b/src/support.js
@@ -1,14 +1,16 @@
-(function(){
+(function( jQuery ) {
+
+(function() {
 
 	jQuery.support = {};
 
 	var root = document.documentElement,
 		script = document.createElement("script"),
 		div = document.createElement("div"),
-		id = "script" + now();
+		id = "script" + jQuery.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];
@@ -20,7 +22,7 @@
 
 	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
@@ -40,13 +42,24 @@
 
 		// 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
+		checkClone: false,
 		scriptEval: false,
 		noCloneEvent: true,
 		boxModel: null
@@ -55,7 +68,7 @@
 	script.type = "text/javascript";
 	try {
 		script.appendChild( document.createTextNode( "window." + id + "=1;" ) );
-	} catch(e){}
+	} catch(e) {}
 
 	root.insertBefore( script, root.firstChild );
 
@@ -70,7 +83,7 @@
 	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;
@@ -79,9 +92,18 @@
 		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
-	jQuery(function(){
+	jQuery(function() {
 		var div = document.createElement("div");
 		div.style.width = div.style.paddingLeft = "1px";
 
@@ -126,3 +148,5 @@ jQuery.props = {
 	usemap: "useMap",
 	frameborder: "frameBorder"
 };
+
+})( jQuery );