6395 2006-01-05 23:13:16 -0800 Activation objects should not have __proto__ property 2006-01-05 23:57:31 -0800 1 1 1 Unclassified WebKit JavaScriptCore 420+ Mac OS X 10.4 RESOLVED DUPLICATE 6249 P2 Normal --- 1 mjs mjs oldest_to_newest 27831 0 mjs 2006-01-05 23:13:16 -0800 Activation objects (the objects that provide local scope for a function invocation) should not have a __proto__ property. They don't in Mozilla (which originated the __proto__ extension) and it allows various optimizations of property lookup if this is not supported. 27832 1 mjs 2006-01-05 23:20:40 -0800 Here's a simple test: javascript:alert((function() { __proto__.testVariable = 'found'; return window.testVariable; })()) This should show 'found' and does in Firefox 1.5 (but not in some older versions - presumably that means they decided to change this too from the way it was). 27838 2 mjs 2006-01-05 23:57:31 -0800 This is also fixed by the changes for 6249. *** This bug has been marked as a duplicate of 6249 ***