X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fcore.js;h=6eeb9a67eca4c3e1f808c7f3eb22ef8fef840c00;hb=24e18d4cae4a1cb1a77323fd2e99300508e55642;hp=3b11ed8f0b2d481644c18bbc2f43143d3ec2fbcc;hpb=66c58e9db6469a0ae3ab7a878b00c66c6a904806;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 3b11ed8..6eeb9a6 100644
--- a/src/core.js
+++ b/src/core.js
@@ -39,6 +39,7 @@ var jQuery = function( selector, context ) {
 
 	// Save a reference to some core methods
 	toString = Object.prototype.toString,
+	hasOwnProperty = Object.prototype.hasOwnProperty,
 	push = Array.prototype.push,
 	slice = Array.prototype.slice,
 	indexOf = Array.prototype.indexOf;
@@ -222,7 +223,7 @@ jQuery.fn = jQuery.prototype = {
 	},
 
 	is: function( selector ) {
-		return !!selector && jQuery.multiFilter( selector, this ).length > 0;
+		return !!selector && jQuery.filter( selector, this ).length > 0;
 	},
 
 	// For internal use only.
@@ -323,7 +324,17 @@ jQuery.extend({
 	},
 
 	isObject: function( obj ) {
-		return this.constructor.call(obj) === Object;
+		if ( toString.call(obj) !== "[object Object]" ) {
+			return false;
+		}
+		
+		//own properties are iterated firstly,
+		//so to speed up, we can test last one if it is own or not
+		
+		var key;
+		for ( key in obj ) {}
+		
+		return !key || hasOwnProperty.call( obj, key );
 	},
 
 	isEmptyObject: function( obj ) {
@@ -444,43 +455,13 @@ jQuery.extend({
 		// expando of getElementsByTagName
 		var i = 0, elem, pos = first.length;
 
-		// Also, we need to make sure that the correct elements are being returned
-		// (IE returns comment nodes in a '*' query)
-		if ( !jQuery.support.getAll ) {
-			while ( (elem = second[ i++ ]) != null ) {
-				if ( elem.nodeType !== 8 ) {
-					first[ pos++ ] = elem;
-				}
-			}
-
-		} else {
-			while ( (elem = second[ i++ ]) != null ) {
-				first[ pos++ ] = elem;
-			}
+		while ( (elem = second[ i++ ]) != null ) {
+			first[ pos++ ] = elem;
 		}
 
 		return first;
 	},
 
-	unique: function( array ) {
-		var ret = [], done = {}, id;
-
-		try {
-			for ( var i = 0, length = array.length; i < length; i++ ) {
-				id = jQuery.data( array[ i ] );
-
-				if ( !done[ id ] ) {
-					done[ id ] = true;
-					ret.push( array[ i ] );
-				}
-			}
-		} catch( e ) {
-			ret = array;
-		}
-
-		return ret;
-	},
-
 	grep: function( elems, callback, inv ) {
 		var ret = [];