Merged my speed improvements into the jQuery core (is actually 200b smaller now!...

[jquery.git] / src / jquery / jquery.js

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index 30396ca..a8872df 100644 (file)
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -614,10 +614,13 @@ jQuery.fn = jQuery.prototype = {
         */
        wrap: function() {
                // The elements to wrap the target around
-               var a = jQuery.clean(arguments);
+               var a, args = arguments;
 
                // Wrap each of the matched elements individually
                return this.each(function(){
+                       if ( !a )
+                               a = jQuery.clean(args, this.ownerDocument);
+
                        // Clone the structure that we're using to wrap
                        var b = a[0].cloneNode(true);
 
@@ -814,9 +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 );
        },
 
        /**
@@ -1038,7 +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;
        },
        
        /**
@@ -1121,12 +1124,15 @@ jQuery.fn = jQuery.prototype = {
         * @cat Core
         */
        domManip: function(args, table, dir, fn){
-               var clone = this.length > 1; 
-               var a = jQuery.clean(args);
-               if ( dir < 0 )
-                       a.reverse();
+               var clone = this.length > 1, a; 
 
                return this.each(function(){
+                       if ( !a ) {
+                               a = jQuery.clean(args, this.ownerDocument);
+                               if ( dir < 0 )
+                                       a.reverse();
+                       }
+
                        var obj = this;
 
                        if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
@@ -1403,8 +1409,10 @@ jQuery.extend({
        curCSS: function(elem, prop, force) {
                var ret;
 
-               if (prop == "opacity" && jQuery.browser.msie)
-                       return jQuery.attr(elem.style, "opacity");
+               if (prop == "opacity" && jQuery.browser.msie) {
+                       ret = jQuery.attr(elem.style, "opacity");
+                       return ret == "" ? "1" : ret;
+               }
                
                if (prop == "float" || prop == "cssFloat")
                        prop = jQuery.browser.msie ? "styleFloat" : "cssFloat";
@@ -1438,8 +1446,9 @@ jQuery.extend({
                return ret;
        },
        
-       clean: function(a) {
+       clean: function(a, doc) {
                var r = [];
+               doc = doc || document;
 
                jQuery.each( a, function(i,arg){
                        if ( !arg ) return;
@@ -1450,7 +1459,7 @@ jQuery.extend({
                         // Convert html string into DOM nodes
                        if ( typeof arg == "string" ) {
                                // Trim whitespace, otherwise indexOf won't work as expected
-                               var s = jQuery.trim(arg), div = document.createElement("div"), tb = [];
+                               var s = jQuery.trim(arg), div = doc.createElement("div"), tb = [];
 
                                var wrap =
                                         // option or optgroup
@@ -1537,7 +1546,7 @@ jQuery.extend({
                        }
 
                        return elem.filter ? 
-                               (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : "1";
+                               (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : "";
                }
                
                // Certain attributes only work when accessed via the old DOM 0 way
@@ -1620,19 +1629,26 @@ jQuery.extend({
         * @cat JavaScript
         */
        merge: function(first, second) {
-               var r = [].slice.call( first, 0 );
-
-               // 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] );
+                       first.push(second[i]);
 
                return first;
        },
 
+       unique: function(first) {
+               var r = [], num = jQuery.mergeNum++;
+
+               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.
         *
@@ -1726,17 +1742,7 @@ 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;
        }
 });