Added massive speed improvements to selectors. Also added support for :nth-child...

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

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index 52b524a..fe8b32b 100644 (file)
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -830,9 +830,9 @@ jQuery.fn = jQuery.prototype = {
         * @cat DOM/Traversing
         */
        find: function(t) {
-               return this.pushStack( jQuery.unique( jQuery.map( this, function(a){
-                       return jQuery.find(t,a);
-               }) ), t );
+               var data = jQuery.map(this, function(a){ return jQuery.find(t,a); });
+               return this.pushStack( /[^+>] [^+>]/.test( t ) || t.indexOf("..") > -1 ?
+                       jQuery.unique( data ) : data );
        },
 
        /**
@@ -1553,37 +1553,7 @@ jQuery.extend({
        },
        
        attr: function(elem, name, value){
-               var fix = jQuery.isXMLDoc(elem) ? {} : {
-                       "for": "htmlFor",
-                       "class": "className",
-                       "float": jQuery.browser.msie ? "styleFloat" : "cssFloat",
-                       cssFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
-                       styleFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
-                       innerHTML: "innerHTML",
-                       className: "className",
-                       value: "value",
-                       disabled: "disabled",
-                       checked: "checked",
-                       readonly: "readOnly",
-                       selected: "selected",
-                       maxlength: "maxLength"
-               };
-               
-               // IE actually uses filters for opacity ... elem is actually elem.style
-               if ( name == "opacity" && jQuery.browser.msie ) {
-                       if ( value != undefined ) {
-                               // IE has trouble with opacity if it does not have layout
-                               // Force it by setting the zoom level
-                               elem.zoom = 1; 
-
-                               // Set the alpha filter to set the opacity
-                               elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/,"") +
-                                       (parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
-                       }
-
-                       return elem.filter ? 
-                               (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : "";
-               }
+               var fix = jQuery.isXMLDoc(elem) ? {} : jQuery.props;
                
                // Certain attributes only work when accessed via the old DOM 0 way
                if ( fix[name] ) {
@@ -1595,6 +1565,22 @@ jQuery.extend({
 
                // IE elem.getAttribute passes even for style
                else if ( elem.tagName ) {
+                       // IE actually uses filters for opacity ... elem is actually elem.style
+                       if ( name == "opacity" && jQuery.browser.msie ) {
+                               if ( value != undefined ) {
+                                       // IE has trouble with opacity if it does not have layout
+                                       // Force it by setting the zoom level
+                                       elem.zoom = 1; 
+       
+                                       // Set the alpha filter to set the opacity
+                                       elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/,"") +
+                                               (parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
+                               }
+       
+                               return elem.filter ? 
+                                       (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : "";
+                       }
+
                        if ( value != undefined ) elem.setAttribute( name, value );
                        if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) ) 
                                return elem.getAttribute( name, 2 );
@@ -1833,6 +1819,22 @@ new function() {
 
        // Check to see if the W3C box model is being used
        jQuery.boxModel = !jQuery.browser.msie || document.compatMode == "CSS1Compat";
+
+       jQuery.props = {
+               "for": "htmlFor",
+               "class": "className",
+               "float": jQuery.browser.msie ? "styleFloat" : "cssFloat",
+               cssFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
+               styleFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
+               innerHTML: "innerHTML",
+               className: "className",
+               value: "value",
+               disabled: "disabled",
+               checked: "checked",
+               readonly: "readOnly",
+               selected: "selected",
+               maxlength: "maxLength"
+       };
 };
 
 /**