jquery core: Closes #3641. jQuery.merge stopped looping once a 0 was found.

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index 7ddb2c5..b35abad 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -81,7 +81,7 @@ jQuery.fn = jQuery.prototype = {
                // HANDLE: $(function)
                // Shortcut for document ready
                } else if ( jQuery.isFunction( selector ) )
-                       return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
+                       return jQuery( document ).ready( selector );
 
                return this.setArray(jQuery.makeArray(selector));
        },
@@ -338,6 +338,17 @@ jQuery.fn = jQuery.prototype = {
                        }) ), "filter", selector );
        },
 
+       closest: function( selector ) {
+               return this.map(function(){
+                       var cur = this;
+                       while ( cur && cur.ownerDocument ) {
+                               if ( jQuery(cur).is(selector) )
+                                       return cur;
+                               cur = cur.parentNode;
+                       }
+               });
+       },
+
        not: function( selector ) {
                if ( typeof selector === "string" )
                        // test special case where just one selector is passed in
@@ -1138,12 +1149,12 @@ jQuery.extend({
                // Also, we need to make sure that the correct elements are being returned
                // (IE returns comment nodes in a '*' query)
                if ( !jQuery.support.getAll ) {
-                       while ( (elem = second[ i++ ]) )
+                       while ( (elem = second[ i++ ]) != null )
                                if ( elem.nodeType != 8 )
                                        first[ pos++ ] = elem;
 
                } else
-                       while ( (elem = second[ i++ ]) )
+                       while ( (elem = second[ i++ ]) != null )
                                first[ pos++ ] = elem;
 
                return first;