console.log to clone jQuery objects before appending them.

If the appended element was a child of another element it was removed from that element.
This caused console.logging a child element to remove it from the parent.

spec/jasmine/console_log/console_log.yml

@@ -1,5 +1,5 @@
-
 src_files:
+  - spec/javascripts/support/jquery-1.6.2.min.js
   - spec/jasmine/console_log/console_log.js
 
 spec_files:

spec/jasmine/console_log/console_log_spec.js

@@ -3,5 +3,12 @@ describe('console.log', function() {
     console.log("hello");
     expect(success).toEqual(1);
   });
+
+  it("wont eat my precious jqueries", function() {
+    var d = $('<div><div id="inner">b</div></div>');
+	expect(d.find('#inner').length).toBe(1);
+	console.log(d.find('#inner'));
+	expect(d.find('#inner').length).toBe(1);
+  });
 });
 

vendor/assets/javascripts/prolog.js

@@ -5,7 +5,7 @@
       log: function(data) {
         var dump, useJsDump;
         if (typeof jQuery !== 'undefined' && data instanceof jQuery) {
-          return JHW.log(style_html($("<div />").append(data).html(), {
+          return JHW.log(style_html($("<div />").append(data.clone()).html(), {
             indent_size: 2
           }));
         } else {