X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fselector.js;h=b58507d2c848a3056197e82cbd077a368726d7a1;hb=de07ebc1a0a656c53ebee3f95802db08bb3cd680;hp=c189515089f4b74ac3184af8789fbe6353bcb8b8;hpb=1c8c3883a98d7d896efefe92eb0d22b1681e92f1;p=jquery.git

diff --git a/src/selector.js b/src/selector.js
index c189515..b58507d 100644
--- a/src/selector.js
+++ b/src/selector.js
@@ -9,9 +9,7 @@
 var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?/g,
 	done = 0,
 	toString = Object.prototype.toString,
-	arraySplice = Array.prototype.splice,
-	arrayPush = Array.prototype.push,
-	arraySort = Array.prototype.sort;
+	hasDuplicate = false;
 
 var Sizzle = function(selector, context, results, seed) {
 	results = results || [];
@@ -107,17 +105,17 @@ var Sizzle = function(selector, context, results, seed) {
 
 	if ( toString.call(checkSet) === "[object Array]" ) {
 		if ( !prune ) {
-			arrayPush.apply( results, checkSet );
+			results.push.apply( results, checkSet );
 		} else if ( context && context.nodeType === 1 ) {
 			for ( var i = 0; checkSet[i] != null; i++ ) {
 				if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
-					arrayPush.call( results, set[i] );
+					results.push( set[i] );
 				}
 			}
 		} else {
 			for ( var i = 0; checkSet[i] != null; i++ ) {
 				if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
-					arrayPush.call( results, set[i] );
+					results.push( set[i] );
 				}
 			}
 		}
@@ -136,12 +134,12 @@ var Sizzle = function(selector, context, results, seed) {
 Sizzle.uniqueSort = function(results){
 	if ( sortOrder ) {
 		hasDuplicate = false;
-		arraySort.call(results, sortOrder);
+		results.sort(sortOrder);
 
 		if ( hasDuplicate ) {
 			for ( var i = 1; i < results.length; i++ ) {
 				if ( results[i] === results[i-1] ) {
-					arraySplice.call(results, i--, 1);
+					results.splice(i--, 1);
 				}
 			}
 		}
@@ -666,7 +664,7 @@ var makeArray = function(array, results) {
 	array = Array.prototype.slice.call( array );
 
 	if ( results ) {
-		arrayPush.apply( results, array );
+		results.push.apply( results, array );
 		return results;
 	}
 	
@@ -738,9 +736,9 @@ if ( document.documentElement.compareDocumentPosition ) {
 // querying by getElementById (and provide a workaround)
 (function(){
 	// We're going to inject a fake input element with a specified name
-	var form = document.createElement("form"),
+	var form = document.createElement("div"),
 		id = "script" + (new Date).getTime();
-	form.innerHTML = "<input name='" + id + "'/>";
+	form.innerHTML = "<a name='" + id + "'/>";
 
 	// Inject it into the root element, check its status, and remove it quickly
 	var root = document.documentElement;
@@ -763,6 +761,7 @@ if ( document.documentElement.compareDocumentPosition ) {
 	}
 
 	root.removeChild( form );
+	root = form = null; // release memory in IE
 })();
 
 (function(){
@@ -803,6 +802,8 @@ if ( document.documentElement.compareDocumentPosition ) {
 			return elem.getAttribute("href", 2);
 		};
 	}
+
+	div = null; // release memory in IE
 })();
 
 if ( document.querySelectorAll ) (function(){
@@ -832,6 +833,8 @@ if ( document.querySelectorAll ) (function(){
 	for ( var prop in oldSizzle ) {
 		Sizzle[ prop ] = oldSizzle[ prop ];
 	}
+
+	div = null; // release memory in IE
 })();
 
 if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
@@ -854,6 +857,8 @@ if ( document.getElementsByClassName && document.documentElement.getElementsByCl
 			return context.getElementsByClassName(match[1]);
 		}
 	};
+
+	div = null; // release memory in IE
 })();
 
 function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
@@ -972,11 +977,17 @@ jQuery.expr = Sizzle.selectors;
 jQuery.expr[":"] = jQuery.expr.filters;
 
 Sizzle.selectors.filters.hidden = function(elem){
-	return elem.offsetWidth === 0 || elem.offsetHeight === 0;
+	var width = elem.offsetWidth, height = elem.offsetHeight,
+		 force = /^tr$/i.test( elem.tagName ); // ticket #4512
+	return ( width === 0 && height === 0 && !force ) ?
+		true :
+			( width !== 0 && height !== 0 && !force ) ?
+				false :
+					!!( jQuery.curCSS(elem, "display") === "none" );
 };
 
 Sizzle.selectors.filters.visible = function(elem){
-	return elem.offsetWidth > 0 || elem.offsetHeight > 0;
+	return !Sizzle.selectors.filters.hidden(elem);
 };
 
 Sizzle.selectors.filters.animated = function(elem){