X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fcore.js;h=313cdfa75f6dcfb3b07a835f4e1dc0cc439e702f;hb=ffbedf0262b3eea906f39c0115b818d7456a3994;hp=4c12150dbb1dc239ca31482b8f636b0f77544e84;hpb=95c0265486fc551a08ec20d6060a3a382aa8a76b;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 4c12150..313cdfa 100644
--- a/src/core.js
+++ b/src/core.js
@@ -202,7 +202,7 @@ jQuery.fn = jQuery.prototype = {
 
 	text: function( text ) {
 		if ( typeof text != "object" && text != null )
-			return this.empty().append( document.createTextNode( text ) );
+			return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
 
 		var ret = "";
 
@@ -251,13 +251,15 @@ jQuery.fn = jQuery.prototype = {
 
 	append: function() {
 		return this.domManip(arguments, true, false, function(elem){
-			this.appendChild( elem );
+			if (this.nodeType == 1)
+				this.appendChild( elem );
 		});
 	},
 
 	prepend: function() {
 		return this.domManip(arguments, true, true, function(elem){
-			this.insertBefore( elem, this.firstChild );
+			if (this.nodeType == 1)
+				this.insertBefore( elem, this.firstChild );
 		});
 	},
 	
@@ -340,7 +342,7 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	add: function( selector ) {
-		return this.pushStack( jQuery.merge( 
+		return !selector ? this : this.pushStack( jQuery.merge( 
 			this.get(),
 			selector.constructor == String ? 
 				jQuery( selector ).get() :
@@ -402,6 +404,9 @@ jQuery.fn = jQuery.prototype = {
 
 		} else
 			return this.each(function(){
+				if ( this.nodeType != 1 )
+					return;
+
 				if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
 					this.checked = (jQuery.inArray(this.value, value) >= 0 ||
 						jQuery.inArray(this.name, value) >= 0);
@@ -468,7 +473,7 @@ jQuery.fn = jQuery.prototype = {
 			var obj = this;
 
 			if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
-				obj = this.getElementsByTagName("tbody")[0] || this.appendChild( document.createElement("tbody") );
+				obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
 
 			var scripts = jQuery( [] );
 
@@ -530,7 +535,7 @@ jQuery.extend = jQuery.fn.extend = function() {
 	}
 
 	// Handle case when target is a string or something (possible in deep copy)
-	if ( typeof target != "object" )
+	if ( typeof target != "object" && typeof target != "function" )
 		target = {};
 
 	// extend jQuery itself if only one argument is passed
@@ -553,7 +558,7 @@ jQuery.extend = jQuery.fn.extend = function() {
 					target[ name ] = jQuery.extend( target[ name ], options[ name ] );
 
 				// Don't bring in undefined values
-				else if ( options[ name ] !== undefined )
+				else if ( options[ name ] != undefined )
 					target[ name ] = options[ name ];
 
 			}
@@ -591,7 +596,6 @@ jQuery.extend({
 	},
 
 	// Evalulates a script in a global context
-	// Evaluates Async. in Safari 2 :-(
 	globalEval: function( data ) {
 		data = jQuery.trim( data );
 
@@ -723,18 +727,19 @@ jQuery.extend({
 		// internal only, use addClass("class")
 		add: function( elem, classNames ) {
 			jQuery.each((classNames || "").split(/\s+/), function(i, className){
-				if ( !jQuery.className.has( elem.className, className ) )
+				if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
 					elem.className += (elem.className ? " " : "") + className;
 			});
 		},
 
 		// internal only, use removeClass("class")
 		remove: function( elem, classNames ) {
-			elem.className = classNames != undefined ?
-				jQuery.grep(elem.className.split(/\s+/), function(className){
-					return !jQuery.className.has( classNames, className );	
-				}).join(" ") :
-				"";
+			if (elem.nodeType == 1)
+				elem.className = classNames != undefined ?
+					jQuery.grep(elem.className.split(/\s+/), function(className){
+						return !jQuery.className.has( classNames, className );	
+					}).join(" ") :
+					"";
 		},
 
 		// internal only, use is(".class")
@@ -918,6 +923,9 @@ jQuery.extend({
 	clean: function( elems, context ) {
 		var ret = [];
 		context = context || document;
+		// !context.createElement fails in IE with an error but returns typeof 'object'
+		if (typeof context.createElement == 'undefined') 
+			context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
 
 		jQuery.each(elems, function(i, elem){
 			if ( !elem )
@@ -1012,6 +1020,10 @@ jQuery.extend({
 	},
 	
 	attr: function( elem, name, value ) {
+		// don't set attributes on text and comment nodes
+		if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
+			return undefined;
+
 		var fix = jQuery.isXMLDoc( elem ) ?
 			{} :
 			jQuery.props;
@@ -1065,7 +1077,7 @@ jQuery.extend({
 						(parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
 				}
 	
-				return elem.filter ? 
+				return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
 					(parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
 					"";
 			}
@@ -1265,7 +1277,8 @@ jQuery.each({
 jQuery.each({
 	removeAttr: function( name ) {
 		jQuery.attr( this, name, "" );
-		this.removeAttribute( name );
+		if (this.nodeType == 1) 
+			this.removeAttribute( name );
 	},
 
 	addClass: function( classNames ) {