jquery core: closes #2968. Simplified isFunction, dropping support for DOM methods...

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index 924bf96..c095f74 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -266,7 +266,7 @@ jQuery.fn = jQuery.prototype = {
                        return jQuery.find( selector, elem );
                });
 
-               return this.pushStack( /[^+>] [^+>]/.test( selector ) || selector.indexOf("..") > -1 ?
+               return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
                        jQuery.unique( elems ) :
                        elems );
        },
@@ -441,7 +441,7 @@ jQuery.fn = jQuery.prototype = {
        },
 
        eq: function( i ) {
-               return this.slice( i, i + 1 );
+               return this.slice( i, +i + 1 );
        },
 
        slice: function() {
@@ -613,9 +613,10 @@ jQuery.extend({
        },
 
        // See test/unit/core.js for details concerning this function.
+       // Since 1.3 DOM methods and function like alert
+       // aren't supported. They return false on IE (#2968).
        isFunction: function( fn ) {
-               return !!fn && typeof fn != "string" && !fn.nodeName &&
-                       fn.constructor != Array && /^[\s[]?function/.test( fn + "" );
+               return fn instanceof Function;
        },
 
        // check if an element is in a (or is an) XML document
@@ -1221,7 +1222,7 @@ var userAgent = navigator.userAgent.toLowerCase();
 
 // Figure out what browser is being used
 jQuery.browser = {
-       version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
+       version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
        safari: /webkit/.test( userAgent ),
        opera: /opera/.test( userAgent ),
        msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
@@ -1309,7 +1310,7 @@ jQuery.each({
        remove: function( selector ) {
                if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
                        // Prevent memory leaks
-                       jQuery( "*", this ).add(this).each(function(){
+                       jQuery( "*", this ).add([this]).each(function(){
                                jQuery.event.remove(this);
                                jQuery.removeData(this);
                        });