IE Javascript error “Object doesn't support this property or method” within jQuery

Question

For some reason, I am getting the following Javascript error in Internet Explorer 8 on line 3156 of jquery.js (version 1.4.3, non-compressed version): Object doesn\'t

Answer 1

I have discovered the same behaviour occurs if you attempt to add a method called "inherited" to the Object.prototype, ie Object.prototype.inherited =

It affects IE6, 7 & 8 but seems to be fixed in IE9 (beta)