X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fjquery%2Fjquery.js;h=ddb08a4381f980e417d8ca22552b92ff97b41d09;hb=9c94ef4c411867d38f301ccbf406af21e277188c;hp=cf9459d248c4ce19de610114e2a4eb90a33c6ba6;hpb=0f7c89cd97de6ca644a834a119dda1e057fd724e;p=jquery.git

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index cf9459d..ddb08a4 100644
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -817,9 +817,9 @@ jQuery.fn = jQuery.prototype = {
 	 * @cat DOM/Traversing
 	 */
 	find: function(t) {
-		return this.pushStack( jQuery.map( this, function(a){
+		return this.pushStack( jQuery.unique( jQuery.map( this, function(a){
 			return jQuery.find(t,a);
-		}), t );
+		}) ), t );
 	},
 
 	/**
@@ -1041,7 +1041,7 @@ jQuery.fn = jQuery.prototype = {
 	 * @cat DOM/Traversing
 	 */
 	is: function(expr) {
-		return expr ? jQuery.filter(expr,this).r.length > 0 : false;
+		return expr ? jQuery.multiFilter(expr,this).length > 0 : false;
 	},
 	
 	/**
@@ -1345,10 +1345,7 @@ jQuery.extend({
 
 		// internal only, use is(".class")
 		has: function( t, c ) {
-			t = t.className || t;
-			// escape regex characters
-			c = c.replace(/([\.\\\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:])/g, "\\$1");
-			return t && new RegExp("(^|\\s)" + c + "(\\s|$)").test( t );
+			return jQuery.inArray( c, (t.className || t).toString().split(/\s+/) ) > -1;
 		}
 	},
 
@@ -1629,19 +1626,27 @@ jQuery.extend({
 	 * @cat JavaScript
 	 */
 	merge: function(first, second) {
-		var r = [].slice.call( first, 0 );
+		// We have to loop this way because IE & Opera overwrite the length
+		// expando of getElementsByTagName
+		for ( var i = 0; second[i]; i++ )
+			first.push(second[i]);
+		return first;
+	},
 
-		// Now check for duplicates between the two arrays
-		// and only add the unique items
-		for ( var i = 0, sl = second.length; i < sl; i++ )
-			// Check for duplicates
-			if ( jQuery.inArray( second[i], r ) == -1 )
-				// The item is unique, add it
-				first.push( second[i] );
+	unique: function(first) {
+		var r = [], num = jQuery.mergeNum++;
 
-		return first;
+		for ( var i = 0, fl = first.length; i < fl; i++ )
+			if ( first[i].mergeNum != num ) {
+				first[i].mergeNum = num;
+				r.push(first[i]);
+			}
+
+		return r;
 	},
 
+	mergeNum: 0,
+
 	/**
 	 * Filter items out of an array, by using a filter function.
 	 *
@@ -1735,17 +1740,7 @@ jQuery.extend({
 			}
 		}
 
-		var r = result.length ? [ result[0] ] : [];
-
-		check: for ( var i = 1, rl = result.length; i < rl; i++ ) {
-			for ( var j = 0; j < i; j++ )
-				if ( result[i] == r[j] )
-					continue check;
-
-			r.push( result[i] );
-		}
-
-		return r;
+		return result;
 	}
 });