Fix regexp for $.trim so it doesn't whack embedded spaces.

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index 1d5a25b..2968d8d 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -29,10 +29,10 @@ var jQuery = function( selector, context ) {
        rnotwhite = /\S/,
 
        // Used for trimming whitespace
-       rtrim = /^\s+|\s+$/g,
+       rtrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g,
 
        // Match a standalone tag
-       rsingleTag = /<(\w+)\s*\/?>(?:<\/\1>)?$/,
+       rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
 
        // Keep a UserAgent string for use with jQuery.browser
        userAgent = navigator.userAgent.toLowerCase(),
@@ -132,9 +132,9 @@ jQuery.fn = jQuery.prototype = {
                        this.context = selector.context;
                }
 
-               return this.setArray(jQuery.isArray( selector ) ?
-                       selector :
-                       jQuery.makeArray(selector));
+               return jQuery.isArray( selector ) ?
+                       this.setArray( selector ) :
+                       jQuery.makeArray( selector, this );
        },
 
        // Start with an empty selector
@@ -272,19 +272,10 @@ jQuery.extend = jQuery.fn.extend = function() {
                                        continue;
                                }
 
-                               // Recurse if we're merging object values
-                               if ( deep && copy && typeof copy === "object" && !copy.nodeType ) {
-                                       var clone;
-
-                                       if ( src ) {
-                                               clone = src;
-                                       } else if ( jQuery.isArray(copy) ) {
-                                               clone = [];
-                                       } else if ( jQuery.isObjectLiteral(copy) ) {
-                                               clone = {};
-                                       } else {
-                                               clone = copy;
-                                       }
+                               // Recurse if we're merging object literal values
+                               if ( deep && copy && jQuery.isObjectLiteral(copy) ) {
+                                       // Don't extend not object literals
+                                       var clone = src && jQuery.isObjectLiteral(src) ? src : {};
 
                                        // Never move original objects, clone them
                                        target[ name ] = jQuery.extend( deep, clone, copy );
@@ -324,7 +315,7 @@ jQuery.extend({
        },
 
        isObjectLiteral: function( obj ) {
-               if ( toString.call(obj) !== "[object Object]" ) {
+               if ( toString.call(obj) !== "[object Object]" || typeof obj.nodeType === "number" ) {
                        return false;
                }
                
@@ -428,19 +419,16 @@ jQuery.extend({
                return (text || "").replace( rtrim, "" );
        },
 
-       makeArray: function( array ) {
-               var ret = [], i;
+       // results is for internal usage only
+       makeArray: function( array, results ) {
+               var ret = results || [];
 
                if ( array != null ) {
-                       i = array.length;
-
                        // The window, strings (and functions) also have 'length'
-                       if ( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
-                               ret[0] = array;
+                       if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
+                               push.call( ret, array );
                        } else {
-                               while ( i ) {
-                                       ret[--i] = array[i];
-                               }
+                               jQuery.merge( ret, array );
                        }
                }
 
@@ -462,12 +450,21 @@ jQuery.extend({
        },
 
        merge: function( first, second ) {
-               // We have to loop this way because IE & Opera overwrite the length
-               // expando of getElementsByTagName
-               var i = 0, elem, pos = first.length;
+               var pos, i = second.length;
 
-               while ( (elem = second[ i++ ]) != null ) {
-                       first[ pos++ ] = elem;
+               // We have to get length this way when IE & Opera overwrite the length
+               // expando of getElementsByTagName
+               if ( i && i.nodeType ) {
+                       for ( i = 0; second[i]; ++i ) {}
+               }
+               
+               pos = i + first.length;
+               
+               // Correct length for non Arrays
+               first.length = pos;
+               
+               while ( i ) {
+                       first[ --pos ] = second[ --i ];
                }
 
                return first;
@@ -487,13 +484,14 @@ jQuery.extend({
                return ret;
        },
 
-       map: function( elems, callback ) {
+       // arg is for internal usage only
+       map: function( elems, callback, arg ) {
                var ret = [], value;
 
                // Go through the array, translating each of the items to their
                // new value (or values).
                for ( var i = 0, length = elems.length; i < length; i++ ) {
-                       value = callback( elems[ i ], i );
+                       value = callback( elems[ i ], i, arg );
 
                        if ( value != null ) {
                                ret[ ret.length ] = value;